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3-D Perspective Pasadena, Ca …
Title 3-D Perspective Pasadena, California
Full Description This perspective view shows the western part of the city of Pasadena, California, looking north towards the San Gabriel Mountains. Portions of the cities of Altadena and La Canada, Flintridge are also shown. The image was created from three datasets: the Shuttle Radar Topography Mission (SRTM) supplied the elevation data, Landsat data from November 11, 1986 provided the land surface color (not the sky) and U.S. Geological Survey digital aerial photography provides the image detail. The Rose Bowl, surrounded by a golf course, is the circular feature at the bottom center of the image. The Jet Propulsion Laboratory is the cluster of large buildings north of the Rose Bowl at the base of the mountains. A large landfill, Scholl Canyon, is the smooth area in the lower left corner of the scene. This image shows the power of combining data from different sources to create planning tools to study problems that affect large urban areas. In addition to the well-known earthquake hazards, Southern California is affected by a natural cycle of fire and mudflows. Wildfires strip the mountains of vegetation, increasing the hazards from flooding and mudflows for several years afterwards. Data such as shown on this image can be used to predict both how wildfires will spread over the terrain and also how mudflows will be channeled down the canyons. The Shuttle Radar Topography Mission (SRTM), launched on February 11, 2000, uses the same radar instrument that comprised the Spaceborne Imaging Radar-C/X-Band Synthetic Aperture Radar (SIR-C/X-SAR) that flew twice on the Space Shuttle Endeavour in 1994. The mission was designed to collect three dimensional measurements of the Earth's surface. To collect the 3-D data, engineers added a 60-meter-long (200-foot) mast, an additional C-band imaging antenna and improved tracking and navigation devices. The mission is a cooperative project between the National Aeronautics and Space Administration (NASA), the National Imagery and Mapping Agency (NIMA) and the German (DLR) and Italian (ASI) space agencies. It is managed by NASA's Jet Propulsion Laboratory, Pasadena, CA, for NASA's Earth Science Enterprise, Washington, DC. Size: 5.8 km (3.6 miles) x 10 km (6.2 miles) Location: 34.16 deg. North lat., 118.16 deg. West lon. Orientation: Looking North Original Data Resolution: SRTM, 30 meters, Landsat,30 meters, Aerial Photo, 3 meters (no vertical exaggeration)
Date 02/16/2000
NASA Center Jet Propulsion Laboratory
Challenger as seen from SPAS
Title Challenger as seen from SPAS
Full Description Full view of Space Shuttle Orbiter Challenger in space, taken by the Space Pallet Satellite (SPAS). A heavily cloud-covered portion of the earth forms the backdrop for this scene of Challenger. Visible in the payload bay are the protective cradles for the Palapa-B and Telesat F communications satellites, the pallet for the NASA Office of Space and Terrestrial Applications (OSTA-2), the Remote Manipulator System (RMS) robot arm in the shape of the numeral seven and the KU- band antenna. A number of GetAway Special (GAS) canisters are also visible along the port side.
Date 06/22/1983
NASA Center Johnson Space Center
Robot Arm Over Earth with Su …
Title Robot Arm Over Earth with Sunburst
Full Description View of the Remote Manipulator System (RMS) end effector over an Earth limb with a solar starburst pattern behind it.
Date 06/01/1996
NASA Center Johnson Space Center
SAFER Rescue System Tested
Title SAFER Rescue System Tested
Full Description Astronauts Carl J. Meade and Mark C. Lee (red strip on suit) test the new Simplified Aid for EVA Rescue (SAFER) system some 130 nautical miles above Earth. The pair was actually performing an in-space rehearsal or demonstration of a contingency rescue using never-before flown hardware. Meade, who here wears the small back-pack unit with its complementary chest-mounted control unit, and Lee anchored to the Space Shuttle Discovery's Remote Manipulator System (RMS) robot arm, took turns using the SAFER hardware during their shared space walk.
Date 09/16/1994
NASA Center Johnson Space Center
SAFER Tests by Meade and Lee
Title SAFER Tests by Meade and Lee
Full Description Astronauts Carl J. Meade and Mark C. Lee (red stripe on suit) test the Simplified Aid for EVA Rescue (SAFER) system some 130 nautical miles from Earth. The pair were actually performing an in-space rehearsal or demonstration of a contingency rescue using the never- before flown hardware. Meade, who here wears the small back-pack unit with its complementary chest-mounted control unit, and Lee, anchored to Discovery's Remote Manipulator System (RMS) robot arm, took turns using the SAFER hardware during their shared space walk of September 16, 1994.
Date 09/16/1994
NASA Center Johnson Space Center
Gernhardt on Robot Arm
Title Gernhardt on Robot Arm
Full Description The pale blue Earth serves as backdrop for astronaut Michael Gernhardt during his Extravehicular Activity (EVA). He is standing on a Manipulator Foot Restraint (MFR) attached to the Remote Manipulator System (RMS). He is positioned over the Payload Bay and Endeavour's forward section is reflected in his visor. A thermal cube is attached to the RMS and records temperatures during spacesuit evaluations. Unlike earlier spacewalking astronauts, Gernhardt was able to use an electronic cuff checklist, a prototype developed for the assembly of the International Space Station (ISS).
Date 09/16/1995
NASA Center Johnson Space Center
Thornton Prepares to Release …
Title Thornton Prepares to Release Hubble Array
Full Description To run all their systems, satellites need a way to generate power for months, even years. Most Earth-orbiting spacecraft, like the Hubble Space Telescope, rely on solar cells to recharge their onboard batteries. But solar panels have their own set of problems. They must be lightweight and flexible to fit inside a relatively small launch vehicle. Consequently, they tend to be fragile, and several satellites have had to cope with damaged panels once in orbit. That is what happened to the Hubble Space Telescope. Fortunately, the telescope was designed for on-orbit repairs, and astronauts were able to remove the damaged panel and replace it with a new one. In this image, Astronaut Kathy Thornton releases the old panel into low-Earth orbit during the first Hubble Space Telescope Servicing Mission in 1993. Earth's gravitation pulled the jettisoned panel toward Earth's atmosphere, where it entered and ultimately burned up.
Date 10/14/1994
NASA Center Johnson Space Center
Wisoff on the Arm
Title Wisoff on the Arm
Full Description Against the blackness of space, Mission Specialist Peter J.K. Wisoff, wearing an extravehicular mobility unit, stands on a Portable Foot Restraint (PFR), Manipulator Foot Restrait (MFR) attached to the End Effector of the Remote Manipulator System (RMS), colloquially known as the "robot arm". Wisoff is being maneuvered above Endeavour's payload bay as part of Detailed Test Objective (DTO) extravehicular activity procedures. DTO results will assist in refining several procedures being developed to service the Hubble Space Telescope on mission STS-61 in December 1993. The Earth's surface and Discovery's payload bay are reflected in Wisoff's helmet visor.
Date 06/25/1993
NASA Center Johnson Space Center
Spacelab-1 module in orbiter …
Name of Image Spacelab-1 module in orbiter Columbia's payload bay
Date of Image 1983-11-28
Full Description A Space Shuttle mission STS-9 onboard view show's Spacelab-1 (SL-1) module in orbiter Columbia's payload bay. Spacelab-1 was a cooperative venture of NASA and the European Space Agency. Scientists from eleven European nations plus Canada, Japan and the U.S. provided instruments and experimental procedures for over 70 different investigations in five research areas of disciplines: astronomy and solar physics, space plasma physics, atmospheric physics and Earth observations, life sciences and materials science.
STS-51D Mission Onboard Phot …
Name of Image STS-51D Mission Onboard Photograph
Date of Image 1985-04-01
Full Description The TELESAT-1, also known as ANIK C-1, satellite is being released from the cargo bay of the Space Shuttle Orbiter Discovery during STS-51D, the 16th Shuttle mission. TELESAT-1 is a communication satellite built for Telesat Canada to provide voice and TV coverage of the Earth stations to trans-Canada network. Also shows in this photograph is an anterna for SYNCOM IV-3, also known as LEASAT-3, folded in a stowage. The SYNCOM is the Hughes Geosynchronous Communication Satellite and provides communication services from geosynchronous orbits principally to the U.S. Government. Both satellites were launched on April 12, 1985, aboard the Space Shuttle Orbiter Discovery.
STS-42 Mission Insignia
Name of Image STS-42 Mission Insignia
Date of Image 1992-01-02
Full Description Designed by the crewmembers, the STS- 42 Intemational Microgravity Lab- 1 insignia depicts the orbiter with the Spacelab module aboard. The spacecraft is oriented in a quiescent, tail-to-Earth, gravity-gradient attitude to best support the various microgravity payloads and experiments. The international composition of the crew is depicted by symbols representing Canada and the European Space Agency. The number 42 is represented by six white stars --- four on one side of the orbiter and two on the other. The single gold star above Earth's horizon honors the memory of astronaut Manley L. (Sonny) Carter, who was killed earlier this year in a commuter plane crash. A crew spokesperson stated that Carter ...was our crewmate, colleague and friend. Blue letters set against white give the surnames of the five astronauts and two payload specialists for the flight.
STS-88 Mission Insignia
Name of Image STS-88 Mission Insignia
Date of Image 1998-11-08
Full Description Designed by the STS-88 crew members, this patch commemorates the first assembly flight to carry United States-built hardware for constructing the International Space Station (ISS). This flight's primary task was to assemble the cornerstone of the Space Station: the Node with the Functional Cargo Block (FGB). The rising sun symbolizes the dawning of a new era of international cooperation in space and the beginning of a new program: the International Space Station. The Earth scene outlines the countries of the Station Partners: the United States, Russia, those of the European Space Agency (ESA), Japan, and Canada. Along with the Pressurized Mating Adapters (PMA) and the Functional Cargo Block, the Node is shown in the final mated configuration while berthed to the Space Shuttle during the STS-88/2A mission. The Big Dipper Constellation points the way to the North Star, a guiding light for pioneers and explorers for generations. In the words of the crew, These stars symbolize the efforts of everyone, including all the countries involved in the design and construction of the International Space Station, guiding us into the future.
Manicouagin Reservoir of Can …
Name of Image Manicouagin Reservoir of Canada
Date of Image 2002-04-01
Full Description Recorded by the Space Shuttle Atlantis STS-110 mission, this is a photograph of the ice- covered Manicouagin Reservoir located in the Canadian Shield of Quebec Province in Eastern Canada, partially obscured by low clouds. This reservoir marks the site of an impact crater, 60 miles (100 kilometers) wide, which according to geologists was formed 212 million years ago when a meteorite crashed into this area. Over millions of years, the crater has been worn down by glaciers and other erosional processes. The Space Shuttle Orbiter Atlantis, STS-110 mission, was launched April 8, 2002 and returned to Earth April 19, 2002.
International Space Station …
Name of Image International Space Station Assembly
Date of Image 1999-01-01
Full Description The International Space Station (ISS) is an unparalleled international scientific and technological cooperative venture that will usher in a new era of human space exploration and research and provide benefits to people on Earth. On-Orbit assembly began on November 20, 1998, with the launch of the first ISS component, Zarya, on a Russian Proton rocket. The Space Shuttle followed on December 4, 1998, carrying the U.S.-built Unity cornecting Module. Sixteen nations are participating in the ISS program: the United States, Canada, Japan, Russia, Brazil, Belgium, Denmark, France, Germany, Italy, the Netherlands, Norway, Spain, Sweden, Switzerland, and the United Kingdom. The ISS will include six laboratories and be four times larger and more capable than any previous space station. The United States provides two laboratories (United States Laboratory and Centrifuge Accommodation Module) and a habitation module. There will be two Russian research modules, one Japanese laboratory, referred to as the Japanese Experiment Module (JEM), and one European Space Agency (ESA) laboratory called the Columbus Orbital Facility (COF). The station's internal volume will be roughly equivalent to the passenger cabin volume of two 747 jets. Over five years, a total of more than 40 space flights by at least three different vehicles - the Space Shuttle, the Russian Proton Rocket, and the Russian Soyuz rocket - will bring together more than 100 different station components and the ISS crew. Astronauts will perform many spacewalks and use new robotics and other technologies to assemble ISS components in space.
STS-74 Mission Insignia
Name of Image STS-74 Mission Insignia
Date of Image 1995-07-07
Full Description The STS-74 crew patch depicts the orbiter Atlantis docked to the Russian Space Station Mir. The central focus is on the Russian-built docking module, drawn with shading to accentuate its pivotal importance to both STS-74 and the NASA-Mir Program. The rainbow across the horizon represents the Earth's atmosphere, the thin membrane protecting all nations, while the three flags across the bottom show those nations participating in STS-74: Russia, Canada, and the United States. The sunrise is symbolic of the dawn of a new era in NASA space flight , that of International Space Station construction.
Manicouagan Impact Crater on …
Title Manicouagan Impact Crater on Earth
Explanation The Manicouagan Crater [ http://www.linkdirectory.com/airphoto/1030.html ] in northern Canada [ http://www.odci.gov/cia/publications/factbook/geos/ca.html ] is one of the oldest impact craters [ http://observe.ivv.nasa.gov/nasa/exhibits/craters/impact_home.html ] known. Formed during a surely tremendous impact [ http://antwrp.gsfc.nasa.gov/apod/ap990711.html ] about 200 million years ago, the present day terrain supports a 70-kilometer diameter hydroelectric reservoir [ http://www.ilec.or.jp/database/nam/nam-26.html ] in the telltale form of an annular lake [ http://epod.usra.edu/archive/epodviewer.php3?oid=40640 ]. The crater itself has been worn away by the passing of glaciers [ http://www.glacier.rice.edu/land/5_whatisaglacier.html ] and other erosional processes. Still, the hard rock [ http://duke.usask.ca/~reeves/prog/geoe118/geoe118.011.html ] at the impact site has preserved much of the complex impact structure [ http://antwrp.gsfc.nasa.gov/apod/ap960120.html ] and so allows scientists a leading case to help understand large impact features on Earth [ http://www.lpi.usra.edu/publications/slidesets/impacts.html ] and other [ http://antwrp.gsfc.nasa.gov/apod/ap001213.html ap960906.html ] Solar System bodies. Also visible above [ http://earth.jsc.nasa.gov/lores.cgi?PHOTO=STS009-48-3139 ] is the vertical fin of the Space Shuttle [ http://antwrp.gsfc.nasa.gov/apod/ap990411.html ] Columbia from which the picture was taken in 1983.
Approaching the Internationa …
Title Approaching the International Space Station
Explanation Earlier this month the crew of the US [ http://www.cia.gov/cia/publications/factbook/geos/us.html ] Space Shuttle Endeavor [ http://science.ksc.nasa.gov/shuttle/resources/orbiters/endeavour.html ] took in this view [ http://spaceflight.nasa.gov/gallery/images/shuttle/sts-100/html/s100e5165.html ] as they approached the developing International Space Station [ http://spaceflight.nasa.gov/station/ ] (ISS). The Endeavor [ http://spaceflight.nasa.gov/shuttle/crew/ ] and ISS crew [ http://spaceflight.nasa.gov/station/crew/exp2/index.html ] installed Italy [ http://www.cia.gov/cia/publications/factbook/geos/it.html ]'s Raffaello, a Multi-Purpose Logistics Module [ http://spaceflight.nasa.gov/station/assembly/elements/mplm/ ] and successfully deployed Canada [ http://www.cia.gov/cia/publications/factbook/geos/ca.html ]'s Canadarm2 [ http://spaceflight.nasa.gov/station/assembly/elements/mss/index.html ], a robot remote-controlled arm that can move about the outside of the station [ http://spaceflight.nasa.gov/station/assembly/flights/2001/6a.html ]. The shuttle undocked from the ISS [ http://antwrp.gsfc.nasa.gov/apod/ap000918.html ] yesterday and is scheduled to return to Earth today. A manned [ ftp://ftp.hq.nasa.gov/pub/pao/pressrel/2001/01-083.txt ] Russian [ http://www.cia.gov/cia/publications/factbook/geos/rs.html ] Soyuz spacecraft [ http://www.spaceandtech.com/spacedata/elvs/soyuz_sum.shtml ] is scheduled to dock with Earth's busiest orbiting outpost [ http://spaceflight.nasa.gov/station/reference/faq/index.html ] early today.
Space Station and Space Shut …
Title Space Station and Space Shuttle: Backyard View
Explanation Knowing when and where [ http://www.heavens-above.com/ ] to look, many enthusiastic sky gazers have been able to spot the International Space Station (ISS) as a bright star streaking [ http://antwrp.gsfc.nasa.gov/apod/ap001214.html ] through the twilight. But with a digital camera and a small telescope, recognizable images are possible [ http://www.hobbyspace.com/SatWatching/ ] too. Astronomer Ricardo Borba offers this example [ http://www.borba.com/iss/ ] of the Space Shuttle Discovery [ http://antwrp.gsfc.nasa.gov/apod/ap010320.html ] docked with the ISS [ http://antwrp.gsfc.nasa.gov/apod/ap010228.html ], recorded this August from his backyard in Ottawa, Canada. Operating a digital video camera on an 8 inch reflecting telescope, Borba tracked the Earth-orbiting pair by hand. Unwanted telescope motion and atmospheric blurring [ http://antwrp.gsfc.nasa.gov/apod/ap000725.html ] caused most of the video frames to be indistinct, still the single best frame (left) from his video sequence is amazingly sharp. For comparison, he constructed a computer generated image (right) showing the approximate orientation of the Shuttle/ISS docking configuration based on virtual 3D models [ http://vesuvius.jsc.nasa.gov/er/seh/sehvrml.html ] available on the web [ http://spaceflight.nasa.gov/gallery/vrml/station/ ].
Hawaii
Title Hawaii
Explanation Aloha [ http://www.ipl.org/youth/hello/hawaiian.html ]! With the graceful arc of Earth's limb in the background, the Hawaiian Island [ http://visibleearth.nasa.gov/cgi-bin/viewrecord?4668 ] archipelago is visible in this stunning photo [ http://images.jsc.nasa.gov/images/pao/ STS26/10062983.htm ] taken by the astronauts onboard the shuttle Discovery [ http://antwrp.gsfc.nasa.gov/apod/ap980308.html ] in October of 1988. Along with popular beaches and tropical resorts, these volcanic islands [ http://hvo.wr.usgs.gov/volcanowatch/ ] offer extreme elevations with dark, dry, cloudless skies [ http://antwrp.gsfc.nasa.gov/apod/ap020425.html ]. Consequently they have also become popular sites for large and sophisticated ground based telescopes [ http://www.ifa.hawaii.edu/ifa/ifa.html ]. The peak of Mauna Kea [ http://www.ifa.hawaii.edu/mko/maunakea.htm ], on the Big Island (upper left), boasts an impressive array of astronomical instruments including twin Kecks [ http://astro.caltech.edu/mirror/keck/ ], the Canada-France-Hawaii Telescope [ http://www.cfht.hawaii.edu/ ], the NASA IRTF [ http://irtf.ifa.hawaii.edu/ ], the JCMT and UKIRT [ http://www.jach.hawaii.edu/ ], the Subaru [ http://www.naoj.org/ ] and the Gemini Telescope Project [ http://www.gemini.edu ]. The dormant volcanic cone of Haleakala [ http://www.ifa.hawaii.edu/haleakala/ ] on Maui (just below the Big Island) is home to the Air Force Maui Optical Station [ http://ulua.mhpcc.af.mil ] and the Mees Solar Observatory [ http://koa.ifa.hawaii.edu/ ]. Mahalo nui loa [ http://www.ipl.org/youth/hello/hawaiian.html ]!
Manicouagan Impact Crater
Title Manicouagan Impact Crater
Explanation Manicouagan Crater in northern Canada is one of the oldest impact craters known [ http://antwrp.gsfc.nasa.gov/apod/ap000226.html ]. Formed about 200 million years ago, the present day terrain supports a 70-kilometer diameter hydroelectric reservoir [ http://www.ilec.or.jp/database/nam/nam-26.html ] in the telltale form of an annular lake [ http://epod.usra.edu/archive/epodviewer.php3?oid=40640 ]. The crater itself has been worn away by the passing of glaciers [ http://www.glacier.rice.edu/land/5_whatisaglacier.html ] and other erosional processes. Still, the hard rock at the impact site has preserved much of the complex impact structure [ http://antwrp.gsfc.nasa.gov/apod/ap960120.html ] and so allows scientists a leading case to help understand large impact features [ http://www.lpi.usra.edu/publications/slidesets/ impacts.html ] on Earth [ http://antwrp.gsfc.nasa.gov/apod/ap990610.html ] and other [ http://antwrp.gsfc.nasa.gov/apod/ap010513.html ] Solar System bodies. Also visible above is the vertical fin of the Space Shuttle Columbia [ http://www.nasa.gov/centers/kennedy/shuttleoperations/ orbiters/orbiterscol.html ] from which the picture was taken in 1983.
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STS074-702-025
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date 1995-12-08
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Anaglyph, North America
PIA03378
Sol (our sun)
C-Band Interferometric Radar
Title Anaglyph, North America
Original Caption Released with Image This anaglyph (stereoscopic view) of North America was generated with data from the Shuttle Radar Topography Mission (SRTM). It is best viewed at or near full resolution with anaglyph glasses. For this broad view the resolution of the data was first reduced to 30 arcseconds (about 928 meters north-south and 736 meters east-west in central North America), matching the best previously existing global digital topographic data set called GTOPO30. The data were then resampled to a Mercator projection with approximately square pixels (about one kilometer, or 0.6 miles, on each side). Even at this decreased resolution the variety of landforms comprising the North American continent is readily apparent. Active tectonics (structural deformation of the Earth's crust) along and near the Pacific North American plate boundary creates the great topographic relief seen along the Pacific coast. Earth's crustal plates converge in southern Mexico and in the northwest United States, melting the crust and producing volcanic cones. Along the California coast, the plates are sliding laterally past each other, producing a pattern of slices within the San Andreas fault system. And, where the plates are diverging, the crust appears torn apart as one huge tear along the Gulf of California (northwest Mexico), and as the several fractures comprising the Basin and Range province (in and around Nevada). Across the Great Plains, erosional patterns dominate, with stream channels surrounding and penetrating the remnants of older smooth slopes east of the Rocky Mountains. This same erosion process is exposing the bedrock structural patterns of the Black Hills in South Dakota and the Ozark Mountains in Arkansas. Lateral erosion and sediment deposition by the Mississippi River has produced the flatlands of the lower Mississippi Valley and the Mississippi Delta. To the north, evidence of the glaciers of the last ice age is widely found, particularly east of the Canadian Rocky Mountains and around the Great Lakes. From northeastern British Columbia, across Alberta, Saskatchewan, and Manitoba to North Dakota and Minnesota, huge striations clearly show the flow pattern of the glaciers. And southwest of Lakes Michigan, Huron, and Erie, arcing ridges of sediment, called terminal moraines, show where glaciers dumped sediment at their melting ends. In eastern Canada, New York, and New England, the terrain has been scoured by glaciers, and eroded by streams, particularly along fractures in the bedrock. In Labrador and Quebec, the Mistastin, Manicougan, and Clearwater Lakes meteor impact craters can also be seen. Further south, narrow curving ridges of upturned and eroded layered rocks form most of the Appalachian Mountains. In contrast, around the Caribbean Sea region (Yucatan, Florida, and the Bahamas), flat-lying, stable limestone platforms are common, while the most eastern islands of the Caribbean include active volcanoes along another convergence zone of tectonic plates. This, anaglyph was created by deriving a shaded relief image from the SRTM data, draping it back over the SRTM elevation model, and then generating two differing perspectives, one for each eye. Illumination is from the north (top). When viewed through special glasses, the anaglyph is a vertically exaggerated view of the Earth's surface in its full three dimensions. Anaglyph glasses cover the left eye with a red filter and cover the right eye with a blue filter. Elevation data used in this image were acquired by the SRTM aboard the Space Shuttle Endeavour, launched on Feb. 11, 2000. SRTM used the same radar instrument that comprised the Spaceborne Imaging Radar-C/X-Band Synthetic Aperture Radar (SIR-C/X-SAR) that flew twice on the Space Shuttle Endeavour in 1994. SRTM was designed to collect 3-D measurements of the Earth's surface. To collect the 3-D data, engineers added a 60-meter (approximately 200-foot) mast, installed additional C-band and X-band antennas, and improved tracking and navigation devices. The mission is a cooperative project between NASA, the National Imagery and Mapping Agency (NIMA) of the U.S. Department of Defense and the German and Italian space agencies. It is managed by NASA's Jet Propulsion Laboratory, Pasadena, Calif., for NASA's Earth Science Enterprise, Washington, D.C. Location: 15 to 60 degrees North latitude, 50 to 130 degrees West longitude Orientation: North toward the top, Mercator projection Image Data: Shaded SRTM elevation model Original Data Resolution: SRTM 1 arcsecond (about 30 meters or 98 feet) Date Acquired: February 2000
Shaded Relief with Height as …
PIA03377
Sol (our sun)
C-Band Interferometric Radar
Title Shaded Relief with Height as Color, North America
Original Caption Released with Image This image of North America was generated with data from the Shuttle Radar Topography Mission (SRTM). For this broad view the resolution of the data was first reduced to 30 arcseconds (about 928 meters north-south and 736 meters east-west in central North America), matching the best previously existing global digital topographic data set called GTOPO30. The data were then resampled to a Mercator projection with approximately square pixels (about one kilometer, or 0.6 miles, on each side). Even at this decreased resolution the variety of landforms comprising the North American continent is readily apparent. Active tectonics (structural deformation of the Earth's crust) along and near the Pacific -- North American plate boundary creates the great topographic relief seen along the Pacific coast. Earth's crustal plates converge in southern Mexico and in the northwest United States, melting the crust and producing volcanic cones. Along the California coast, the plates are sliding laterally past each other, producing a pattern of slices within the San Andreas fault system. And, where the plates are diverging, the crust appears torn apart as one huge tear along the Gulf of California (northwest Mexico), and as the several fractures comprising the Basin and Range province (in and around Nevada). Across the Great Plains, erosional patterns dominate, with streams channels surrounding and penetrating the remnants of older smooth slopes east of the Rocky Mountains. This same erosion process is exposing the bedrock structural patterns of the Black Hills in South Dakota and the Ozark Mountains in Arkansas. Lateral erosion and sediment deposition by the Mississippi River has produced the flatlands of the lower Mississippi Valley and the Mississippi Delta. To the north, evidence of the glaciers of the last ice age is widely found, particularly east of the Canadian Rocky Mountains and around the Great Lakes. From northeastern British Columbia, across Alberta, Saskatchewan, and Manitoba to North Dakota and Minnesota, huge striations clearly show the flow pattern of the glaciers. And southwest of Lakes Michigan, Huron, and Erie, arcing ridges of sediment, called terminal moraines, show where glaciers dumped sediment at their melting ends. In eastern Canada, New York, and New England, the terrain has been scoured by glaciers, and eroded by streams, particularly along fractures in the bedrock. In Labrador and Quebec, the Mistastin, Manicougan, and Clearwater Lakes meteor impact craters can also be seen. Further south, narrow curving ridges of upturned and eroded layered rocks form most of the Appalachian Mountains. In contrast, around the Caribbean Sea region (Yucatan, Florida, and the Bahamas), flat-lying, stable limestone platforms are common, while the most eastern islands of the Caribbean include active volcanoes along another convergence zone of tectonic plates. Two visualization methods were combined to produce the image: shading and color coding of, topographic height. The shade image was derived by computing topographic slope in the northwest-southeast direction, so that northwest slopes appear bright and southeast slopes appear dark. Color coding is directly related to topographic height, with green at the lower elevations, rising through yellow and tan, to white at the highest elevations. Elevation data used in this image were acquired by the Shuttle Radar Topography Mission aboard the Space Shuttle Endeavour, launched on Feb. 11, 2000. SRTM used the same radar instrument that comprised the Spaceborne Imaging Radar-C/X-Band Synthetic Aperture Radar (SIR-C/X-SAR) that flew twice on the Space Shuttle Endeavour in 1994. SRTM was designed to collect 3-D measurements of the Earth's surface. To collect the 3-D data, engineers added a 60-meter (approximately 200-foot) mast, installed additional C-band and X-band antennas, and improved tracking and navigation devices. The mission is a cooperative project between NASA, the National Imagery and Mapping Agency (NIMA) of the U.S. Department of Defense and the German and Italian space agencies. It is managed by NASA's Jet Propulsion Laboratory, Pasadena, Calif., for NASA's Earth Science Enterprise, Washington, D.C. Location: 15 to 60 degrees North latitude, 50 to 130 degrees West longitude Orientation: North toward the top, Mercator projection Image Data: shaded and colored SRTM elevation model Original Data Resolution: SRTM 1 arcsecond (about 30 meters or 98 feet) Date Acquired: February 2000
Stereo Pair, with Topographi …
PIA03384
Sol (our sun)
C-Band Interferometric Radar
Title Stereo Pair, with Topographic Height as Color, Manicouagan Crater, Quebec, Canada
Original Caption Released with Image Manicouagan Crater is one of the world's largest and oldest known impact craters and perhaps the one most readily apparent to astronauts in orbit. The age of the impact is estimated at 214 million years before present. Since then erosion has removed about one kilometer (0.6 miles) of rock from the region and has created a topographic pattern that follows the structural pattern of the crater. A ring depression (prominently seen as green) encloses a central peak. The ring depression now hosts the Manicouagan Reservoir and so appears as a distinct ring lake to astronauts and as a smooth and flat feature in this topographic visualization. A fine pattern of topographic striations trending south-southeast, most prominent within the crater itself, indicates the flow direction of glaciers that covered this area during the last ice age. Three visualization methods were combined to produce this image: shading, color coding, and synthetic stereoscopy. The shade image was derived by computing topographic slope in the north-south direction. Northern slopes appear bright and southern slopes appear dark. Color coding is directly related to topographic height, with green at the lower elevations, rising through yellow, red, and magenta, to blue at the highest elevations. The stereoscopic effect was then created by generating two differing perspectives, one for each eye. The image can be seen in 3-D by viewing the left image with the right eye and the right image with the left eye (cross-eyed viewing) or by downloading, printing, and splitting the image pair and viewing them with a stereoscope. When stereoscopically merged, the result is a vertically exaggerated view of Earth's surface in its full three dimensions. Total topographic relief from the ring lake level to the central crater peak is about 600 meters (2000 feet). Elevation data used in this image were acquired by the Shuttle Radar Topography Mission aboard the Space Shuttle Endeavour, launched on February 11, 2000. The mission used the same radar instrument that comprised the Spaceborne Imaging Radar-C/X-Band Synthetic Aperture Radar that flew twice on the Space Shuttle Endeavour in 1994. The Shuttle Radar Topography Mission was designed to collect three-dimensional measurements of the Earth's surface. To collect the 3-D data, engineers added a 60-meter-long (200-foot) mast, installed additional C-band and X-band antennas, and improved tracking and navigation devices. The mission is a cooperative project between NASA, the National Imagery and Mapping Agency of the U.S. Department of Defense, and the German and Italian space agencies. It is managed by NASA's Jet Propulsion Laboratory, Pasadena, Calif., for NASA's Earth Science Enterprise, Washington, D.C. Size: 222 by 138 kilometers (138 by 87 miles) Location: 50 to 52 degrees North latitude, 68 to 70 degrees West longitude Orientation: North toward the top Image Data: Shaded and colored SRTM elevation model Date Acquired: February 2000
Anaglyph, Manicouagan Crater …
PIA03385
Sol (our sun)
C-Band Interferometric Radar
Title Anaglyph, Manicouagan Crater, Quebec, Canada
Original Caption Released with Image Manicouagan Crater is one of the world's largest and oldest known impact craters and perhaps the one most readily apparent to astronauts in orbit. The age of the impact is estimated at 214 million years before present. Since then erosion has removed about one kilometer (0.6 miles) of rock from the region and has created a topographic pattern that follows the structural pattern of the crater. A ring depression (prominently seen as dark gray) encloses a central peak. The ring depression now hosts the Manicouagan Reservoir and so appears as a distinct ring lake to astronauts and as a smooth and flat feature in this topographic visualization. A fine pattern of topographic striations trending south-southeast, most prominent within the crater itself, indicates the flow direction of glaciers that covered this area during the last ice age. This anaglyph is derived entirely from the SRTM elevation model. First a gray image was created that uses image brightness to represent a mix of topographic height (higher elevations are brighter) and topographic orientation (northern slopes are brighter). The stereoscopic effect was then created by generating two differing perspectives, one for each eye. When viewed through special glasses, the result is a vertically exaggerated view of the Earth's surface in its full three dimensions. Anaglyph glasses cover the left eye with a red filter and cover the right eye with a blue filter. Total topographic relief from the ring lake level to the central crater peak is about 600 meters (2000 feet). Elevation data used in this image were acquired by the Shuttle Radar Topography Mission aboard the Space Shuttle Endeavour, launched on February 11, 2000. The mission used the same radar instrument that comprised the Spaceborne Imaging Radar-C/X-Band Synthetic Aperture Radar that flew twice on the Space Shuttle Endeavour in 1994. The Shuttle Radar Topography Mission was designed to collect three-dimensional measurements of the Earth's surface. To collect the 3-D data, engineers added a 60-meter-long (200-foot) mast, installed additional C-band and X-band antennas, and improved tracking and navigation devices. The mission is a cooperative project between NASA, the National Imagery and Mapping Agency of the U.S. Department of Defense, and the German and Italian space agencies. It is managed by NASA's Jet Propulsion Laboratory, Pasadena, Calif., for NASA's Earth Science Enterprise, Washington, D.C. Size: 222 by 138 kilometers (138 by 87 miles) Location: 50 to 52 degrees North latitude, 68 to 70 degrees West longitude Orientation: North toward the top Image Data: SRTM elevation model as brightness and shading Date Acquired: February 2000
Space Radar Image of Prince …
PIA01702
Sol (our sun)
Title Space Radar Image of Prince Albert, Canada
3-D Perspective View, Miquel …
PIA02739
Sol (our sun)
C-Band Interferometric Radar …
Title 3-D Perspective View, Miquelon and Saint Pierre Islands
Original Caption Released with Image This image shows Miquelon and Saint Pierre Islands, located south of Newfoundland, Canada. These islands, along with five smaller islands, are a self-governing territory of France. North is in the top right corner of the image. The island of Miquelon, in the background, is divided by a thin barrier beach into Petite Miquelon on the left, and Grande Miquelon on the right. Saint Pierre Island is seen in the foreground. The maximum elevation of this land is 240 meters (787 feet). The land mass of the islands is about 242square kilometers (94 square miles) or 1.5 times the size of Washington, DC. This three-dimensional perspective view is one of several still photographs taken from a simulated flyover of the islands. It shows how elevation data collected by the Shuttle Radar Topography Mission (SRTM) can be used to enhance other satellite images. Color and natural shading are provided by a Landsat 7 image taken on September 7, 1999. The Landsat image was draped over the SRTM data. Terrain perspective and shading are from SRTM. The vertical scale has been increased six times to make it easier to see the small features. This also makes the sea cliffs around the edges of the islands look larger. In this view the capital city of Saint Pierre is seen as the bright area in the foreground of the island. The thin bright line seen in the water is a breakwater that offers some walled protection for the coastal city. Elevation data used in this image was acquired by the Shuttle Radar Topography Mission (SRTM) aboard the Space Shuttle Endeavour, launched on February 11,2000. SRTM used the same radar instrument that comprised the Spaceborne Imaging Radar-C/X-Band Synthetic Aperture Radar (SIR-C/X-SAR) that flew twice on the Space Shuttle Endeavour in 1994. SRTM was designed to collect three-dimensional measurements of the Earth's surface. To collect the 3-D data, engineers added a 60-meter-long (200-foot) mast, installed additional C-band and X-band antennas, and improved tracking and navigation devices. The mission is a cooperative project between the National Aeronautics and Space Administration (NASA), the National Imagery and Mapping Agency (NIMA) of the U.S. Department of Defense(DoD), and the German and Italian space agencies. It is managed by NASA's Jet Propulsion Laboratory, Pasadena, CA, for NASA's Earth Science Enterprise,Washington, DC. Size: 34 km (21 miles) by 44 km (27 miles) Location: 46.8 degrees north latitude, 56.3 degrees west longitude Orientation: Looking west Original Data Resolution: 30 meters (about 33 yards) per pixel Date Acquired: February 12, 2000 Credit: NASA/JPL/NIMA
Pasadena, California Anaglyp …
PIA02721
Sol (our sun)
C-Band Interferometric Radar
Title Pasadena, California Anaglyph with Aerial Photo Overlay
Original Caption Released with Image This anaglyph shows NASA's Jet Propulsion Laboratory (JPL) in Pasadena, California. Red-blue glasses are required to see the 3-D effect. The surrounding residential areas of La Canada-Flintridge (to the left) and Altadena/Pasadena (to the right) are also shown. JPL is located at the base of the San Gabriel Mountains, an actively growing mountain range, seen towards the top of the image. The large canyon coming out of the mountains (top to bottom of image) is the Arroyo Seco, which is a major drainage channel for the mountains. Sand and gravel removal operations in the lower part of the arroyo (bottom of image) are removing debris brought down by flood and mudflow events. Old landslide scars (lobe-shaped features) are seen in the arroyo, evidence that living near steep canyon slopes in tectonically active areas can be hazardous. The data can also be utilized by recreational users such as hikers enjoying the natural beauty of these rugged mountains. This anaglyph was generated using topographic data from the Shuttle Radar Topography Mission to create two differing perspectives of a single image, one perspective for each eye. The detailed aerial image was provided by U. S. Geological Survey digital orthophotography. Each point in the image is shifted slightly, depending on its elevation. When viewed through special glasses, the result is a vertically exaggerated view of the Earth's surface in its full three dimensions. Anaglyph glasses cover the left eye with a red filter and cover the right eye with a blue filter. The Shuttle Radar Topography Mission (SRTM), launched on February 11,2000, uses the same radar instrument that comprised the Spaceborne Imaging Radar-C/X-Band Synthetic Aperture Radar (SIR-C/X-SAR) that flew twice on the Space Shuttle Endeavour in 1994. The mission is designed to collect three-dimensional measurements of the Earth's surface. To collect the 3-D data, engineers added a 60-meter-long (200-foot) mast, an additional C-band imaging antenna and improved tracking and navigation devices. The mission is a cooperative project between the National Aeronautics and Space Administration (NASA), the National Imagery and Mapping Agency (NIMA) and the German (DLR) and Italian (ASI) space agencies. It is managed by NASA's Jet Propulsion Laboratory, Pasadena, CA, for NASA's Earth Science Enterprise,Washington, DC. Size: 2.2 km (1.4 miles) x 2.4 km (1.49 miles) Location: 34.16 deg. North lat., 118.16 deg. West lon. Orientation: looking straight down at land Original Data Resolution: SRTM, 30 meters, Aerial Photo, 3 meters. Date Acquired: February 16, 2000 Image: NASA/JPL/NIMA
SRTM Anaglyph with Landsat O …
PIA02781
Sol (our sun)
C-Band Interferometric Radar …
Title SRTM Anaglyph with Landsat Overlay: Miquelon and Saint Pierre Islands
Original Caption Released with Image This anaglyph satellite image shows Miquelon and Saint Pierre Islands, located south of Newfoundland, Canada. These islands are a self-governing territory of France. A "tombolo" (sand bar) unites Grande Miquelon to the north and Petite Miquelon to the south. Saint Pierre Island, located to the lower right, includes a harbor, an airport, and a small town. Glaciers once covered these islands and the direction of glacial flow is evident in the topography as striations and shoreline trends running from the upper right to the lower left. The darkest image features are freshwater lakes that fill glacially carved depressions and saltwater lagoons that are bordered by barrier beaches. The lakes and the lagoons are fairly calm waters and reflect less sunlight than do the wave covered and sediment laden nearshore ocean currents. The stereoscopic effect was created by first draping a Landsat satellite image over preliminary digital elevation data from the Shuttle Radar Topography Mission (SRTM), and then generating two differing perspectives, one for each eye. When viewed through special glasses, the result is a vertically exaggerated view of the Earth's surface in its full three dimensions. Anaglyph glasses cover the left eye with a red filter and cover the right eye with a blue filter. Landsat has been providing visible and infrared views of the Earth since 1972. SRTM elevation data matches the 30-meter resolution of most Landsat images and will substantially help in analyses of the large and growing Landsat image archive. The Landsat 7 Thematic Mapper image used here was provided to the SRTM project by the United States Geological Survey, Earth Resources Observation Systems (EROS) DataCenter, Sioux Falls, South Dakota. The elevation data used in this image was acquired by SRTM aboard the Space Shuttle Endeavour, launched on February 11, 2000. SRTM used the same radar instrument that comprised the Spaceborne Imaging Radar-C/X-Band Synthetic Aperture Radar (SIR-C/X-SAR) that flew twice on the Space Shuttle Endeavour in 1994. SRTM was designed to collect three-dimensional measurements of the Earth's land surface. To collect the 3-D SRTM data, engineers added a mast 60-meters (about 200-feet)long, installed additional C-band and X-band antennas, and improved tracking and navigation devices. The mission is a cooperative project between the National Aeronautics and Space Administration (NASA), the National Imagery and Mapping Agency (NIMA) of the U.S. Department of Defense (DoD), and the German and Italian space agencies. It is managed by NASA's Jet Propulsion Laboratory, Pasadena, CA, for NASA's Earth Science Enterprise, Washington DC. Size: 48 by 38 kilometers (30 by 24 miles) Location: 47 deg. North lat., 56.3 deg. West lon. Orientation: North toward the upper left Image Data: Landsat bands 2 and 4 averaged Date Acquired: February 12, 2000 (SRTM), September 1, 1999 (Landsat) Image: NASA/JPL/NIMA
SRTM Stereo Pair with Landsa …
PIA02782
Sol (our sun)
C-Band Interferometric Radar …
Title SRTM Stereo Pair with Landsat Overlay: Miquelon and Saint Pierre Islands
Original Caption Released with Image 12, 2000 (SRTM), September 1, 1999 (Landsat) Image: NASA/JPL/NIMA, This stereoscopic satellite image shows Miquelon and Saint Pierre Islands, located south of Newfoundland, Canada. These islands are a self-governing territory of France. A "tombolo" (sand bar) unites Grande Miquelon to the north and Petite Miquelon to the south. Saint Pierre Island, located to the lower right, includes a harbor, an airport, and a small town. Glaciers once covered these islands and the direction of glacial flow is evident in the topography as striations and shoreline trends running from the upper right to the lower left. The darkest image features are freshwater lakes that fill glacially carved depressions and saltwater lagoons that are bordered by barrier beaches. The lakes and the lagoons are fairly calm waters and reflect less sunlight than do the wave covered and sediment laden nearshore ocean currents. This stereoscopic image was generated by draping a Landsat satellite image over a preliminary Shuttle Radar Topography Mission (SRTM)elevation model. Two differing perspectives were then calculated, one for each eye. They can be seen in 3-D by viewing the left image with the right eye and the right image with the left eye (cross-eyed viewing), or by downloading and printing the image pair and viewing them with a stereoscope. When stereoscopically merged, the result is a vertically exaggerated view of the Earth's surface in its full three dimensions. Landsat has been providing visible and infrared views of the Earth since 1972. SRTM elevation data matches the 30-meter resolution of most Landsat images and will substantially help in analyses of the large and growing Landsat image archive. The Landsat 7 Thematic Mapper image used here was provided to the SRTM project by the United States Geological Survey, Earth Resources Observation Systems (EROS) DataCenter, Sioux Falls, South Dakota. The elevation data used in this image was acquired by SRTM aboard the Space Shuttle Endeavour, launched on February 11, 2000. SRTM used the same radar instrument that comprised the Spaceborne Imaging Radar-C/X-Band Synthetic Aperture Radar (SIR-C/X-SAR) that flew twice on the Space Shuttle Endeavour in 1994. SRTM was designed to collect three-dimensional measurements of the Earth's land surface. To collect the 3-D SRTM data, engineers added a mast 60-meters (about 200-feet)long, installed additional C-band and X-band antennas, and improved tracking and navigation devices. The mission is a cooperative project between the National Aeronautics and Space Administration (NASA), the National Imagery and Mapping Agency (NIMA) of the U.S. Department of Defense (DoD), and the German and Italian space agencies. It is managed by NASA's Jet Propulsion Laboratory, Pasadena, CA, for NASA's Earth Science Enterprise, Washington DC. Size: 48 by 38 kilometers (30 by 24 miles) Location: 47 deg. North lat., 56.3 deg. West lon. Orientation: North toward the upper left Image Data: Landsat bands 1, 2+4, 3 in blue, green, red, respectively Date Acquired: February
Shaded Relief Image of Saint …
PIA02703
Sol (our sun)
C-Band Interferometric Radar
Title Shaded Relief Image of Saint Pierre and Miquelon
Original Caption Released with Image This image shows two islands, Miquelon and Saint Pierre, located south of Newfoundland, Canada. These islands, along with five smaller islands, are a self-governing territory of France. A thin barrier beach divides Miquelon, with Grande Miquelon to the north and Petite Miquelonto the south. Saint Pierre Island is located to the lower right. With the islandsí location in the north Atlantic Ocean and their deep water ports, fishing is the major part of the economy. The maximum elevation of the island is 240 meters (787 feet). The land mass of the islands is about 242 square kilometers, or 1.5 times the size of Washington DC. This shaded relief image was generated using topographic data from the Shuttle Radar Topography Mission. A computer-generated artificial light source illuminates the elevation data to produce a pattern of light and shadows. Slopes facing the light appear bright, while those facing away are shaded. On flatter surfaces, the pattern of light and shadows can reveal subtle features in the terrain. Shaded relief maps are commonly used in applications such as geologic mapping and land use planning. This image was acquired by the Shuttle Radar Topography Mission (SRTM)aboard the Space Shuttle Endeavour, launched on February 11, 2000. SRTM uses the same radar instrument that comprised the Spaceborne Imaging Radar-C/X-Band Synthetic Aperture Radar (SIR-C/X-SAR) that flew twice on the Space Shuttle Endeavour in 1994. The mission is designed to collect three-dimensional measurements of the Earth's surface. To collect the 3-D data, engineers added a 60-meter-long (200-foot) mast, installed additional C-band and X-band antennas, and improved tracking and navigation devices. The mission is a cooperative project between the National Aeronautics and Space Administration (NASA), the National Imagery and Mapping Agency (NIMA) of the U.S. Department of Defense(DoD), and the German and Italian space agencies. It is managed by NASAís Jet Propulsion Laboratory, Pasadena, CA, for NASA¹s Earth Science Enterprise, Washington, DC.
Anaglyph of Perspective View …
PIA02731
Sol (our sun)
C-Band Interferometric Radar
Title Anaglyph of Perspective View with Aerial Photo Overlay Pasadena, California
Original Caption Released with Image This anaglyph is a perspective view that shows the western part of the city of Pasadena, California, looking north toward the San Gabriel Mountains. Red-blue glasses are required to see the 3-D effect. Portions of the cities of Altadena and La Canada-Flintridge are also shown. The image was created from two datasets: the Shuttle Radar Topography Mission (SRTM) supplied the elevation data and U. S. Geological Survey digital aerial photography provided the image detail. The Jet Propulsion Laboratory is the cluster of large buildings left of center, at the base of the mountains. This image shows the power of combining data from different sources to create planning tools to study problems that affect large urban areas. In addition to the well-known earthquake hazards, Southern California is affected by a natural cycle of fire and mudflows. Wildfires can strip the mountains of vegetation, increasing the hazards from flooding and mudflows. Data shown in this image can be used to predict both how wildfires spread over the terrain and how mudflows are channeled down the canyons. This anaglyph was generated using topographic data from the Shuttle Radar Topography Mission to create two differing perspectives of a single image, one perspective for each eye. Each point in the image is shifted slightly, depending on its elevation. When viewed through special glasses, the result is a view of the Earth's surface in its full three dimensions. Anaglyph glasses cover the left eye with a red filter and cover the right eye with a blue filter. The Shuttle Radar Topography Mission (SRTM), launched on February 11, 2000, uses the same radar instrument that comprised the Spaceborne Imaging Radar-C/X-Band Synthetic Aperture Radar (SIR-C/X-SAR) that flew twice on the Space Shuttle Endeavour in 1994. The mission is designed to collect three-dimensional measurements of the Earth's surface. To collect the 3-D data, engineers added a 60-meter-long (200-foot) mast, an additional C-band imaging antenna and improved tracking and navigation devices. The mission is a cooperative project between the National Aeronautics and Space Administration (NASA), the National Imagery and Mapping Agency (NIMA) and the German (DLR) and Italian (ASI) space agencies. It is managed by NASA's Jet Propulsion Laboratory, Pasadena, CA, for NASA's Earth Science Enterprise, Washington, DC. Size: 5.8 km (3.6 miles) x 10 km (6.2 miles) Location: 34.16 deg. North lat., 118.16 deg. West lon. Orientation: Looking North Original Data Resolution: SRTM, 30 m, aerial photo, 3 m, no vertical exaggeration Date Acquired: February 16, 2000 Image: NASA/JPL/NIMA
Natural Color Mosaic of Nort …
PIA04361
Sol (our sun)
C-Band Interferometric Radar …
Title Natural Color Mosaic of North America
Original Caption Released with Image This natural-color image combines cloud-free data from over 500 Multi-angle Imaging SpectroRadiometer (MISR) orbits with shaded relief Digital Terrain Elevation models from the Shuttle Radar Topography Mission (SRTM) and other sources. An astonishing diversity of geological features, ecological systems and human landscapes across North America is indicated within the image, which spans from 56N, 136W at the upper left to 16N 48W at lower right. In addition to the contiguous United States, the scene spans from British Columbia in the northwest to Newfoundland in the northeast, and extends eastward to the lonely Bermuda Islands and southward to the Bahamas, Cuba and Mexico. Draped in green, the eastern and central United States and Canada contrast with the vibrant geology that is laid bare across the arid portions of the southwestern United States and central Mexico. Along Mexico's east coast, the lush vegetation to the east of the Sierra Madre mountain range indicates the orographic rainfall gradient along this subtropical-tropical coast. In the high Rocky Mountains and in British Columbia's Coast Range, many peaks remain snow-covered year-round. The Multi-angle Imaging SpectroRadiometer observes the daylit Earth continuously and every 9 days views the entire globe between 82 north and 82 south latitude. This data product was generated from a portion of the imagery acquired during years 2000 - 2004. The image is displayed in an Albers Conic Equal Area projection with the projection center at 36 North, 92 West. MISR was built and is managed by NASA's Jet Propulsion Laboratory, Pasadena, CA, for NASA's Office of Earth Science, Washington, DC. The Terra satellite is managed by NASA's Goddard Space Flight Center, Greenbelt, MD. JPL is a division of the California Institute of Technology.
Mount Saint Helens, Washingt …
PIA06668
Sol (our sun)
C-Band Imaging Radar, X-Band …
Title Mount Saint Helens, Washington, USA, SRTM Perspective: Shaded Relief and Colored Height
Original Caption Released with Image (about 100 miles) Location: 46.2 degrees North latitude, 122.2 degrees West longitude Orientation: View Southeast Image Data: Shaded and colored SRTM elevation model Date Acquired: February 2000, Mount Saint Helens is a prime example of how Earth's topographic form can greatly change even within our lifetimes. The mountain is one of several prominent volcanoes of the Cascade Range that stretches from British Columbia, Canada, southward through Washington, Oregon, and into northern California. Mount Adams (left background) and Mount Hood (right background) are also seen in this view, which was created entirely from elevation data produced by the Shuttle Radar Topography Mission. Prior to 1980, Mount Saint Helens had a shape roughly similar to other Cascade peaks, a tall, bold, irregular conic form that rose to 2950 meters (9677 feet). However, the explosive eruption of May 18, 1980, caused the upper 400 meters (1300 feet) of the mountain to collapse, slide, and spread northward, covering much of the adjacent terrain (lower left), leaving a crater atop the greatly shortened mountain. Subsequent eruptions built a volcanic dome within the crater, and the high rainfall of this area lead to substantial erosion of the poorly consolidated landslide material. Eruptions at Mount Saint Helens subsided in 1986, but renewed volcanic activity here and at other Cascade volcanoes is inevitable. Predicting such eruptions still presents challenges, but migration of magma within these volcanoes often produces distinctive seismic activity and minor but measurable topographic changes that can give warning of a potential eruption. Three visualization methods were combined to produce this image: shading of topographic slopes, color coding of topographic height, and then projection into a perspective view. The shade image was derived by computing topographic slope in the northeast-southwest (left to right) direction, so that northeast slopes appear bright and southwest slopes appear dark. Color coding is directly related to topographic height, with green at the lower elevations, rising through yellow and tan, to white at the highest elevations. The perspective view simulates the geometry of the surface as it would be viewed on a clear day. Elevation data used in this image were acquired by the Shuttle Radar Topography Mission aboard the Space Shuttle Endeavour, launched on Feb. 11, 2000. SRTM used the same radar instrument that comprised the Spaceborne Imaging Radar-C/X-Band Synthetic Aperture Radar (SIR-C/X-SAR) that flew twice on the Space Shuttle Endeavour in 1994. SRTM was designed to collect 3-D measurements of the Earth's surface. To collect the 3-D data, engineers added a 60-meter (approximately 200-foot) mast, installed additional C-band and X-band antennas, and improved tracking and navigation devices. The mission is a cooperative project between NASA, the National Geospatial-Intelligence Agency (NGA) of the U.S. Department of Defense and the German and Italian space agencies. It is managed by NASA's Jet Propulsion Laboratory, Pasadena, Calif., for NASA's NASA's Science Mission Directorate, Washington, D.C. Size: View distance about 150 km
Stereo Pair, Pasadena, Calif …
PIA02737
Sol (our sun)
C-Band Interferometric Radar …
Title Stereo Pair, Pasadena, California
Original Caption Released with Image This stereoscopic image pair is a perspective view that shows the western part of the city of Pasadena, California, looking north toward the San Gabriel Mountains. Portions of the cities of Altadena and La Canada Flintridge are also shown. The cluster of large buildings left of center, at the base of the mountains, is the Jet Propulsion Laboratory. This image shows the power of combining data from different sources to create planning tools to study problems that affect large urban areas. In addition to the well-known earthquake hazards, Southern California is affected by a natural cycle of fire and mudflows. Data shown in this image can be used to predict both how wildfires spread over the terrain and how mudflows are channeled down the canyons. The image was created from three datasets: the Shuttle Radar Topography Mission (SRTM) supplied the elevation, U. S. Geological Survey digital aerial photography provided the image detail, and the Landsat Thematic Mapper provided the color. The United States Geological Survey's Earth Resources Observations Systems (EROS) Data Center, Sioux Falls, South Dakota, provided the Landsat data and the aerial photography. The image can be viewed in 3-D by viewing the left image with the right eye and the right image with the left eye (cross-eyed viewing), or by downloading and printing the image pair, and viewing them with a stereoscope. The Shuttle Radar Topography Mission (SRTM), launched on February 11, 2000, used the same radar instrument that comprised the Spaceborne Imaging Radar-C/X-Band Synthetic Aperture Radar (SIR-C/X-SAR) that flew twice on the Space Shuttle Endeavour in 1994. The mission was designed to collect three-dimensional measurements of the Earth's surface. To collect the 3-D data, engineers added a 60-meter-long (200-foot) mast, an additional C-band imaging antenna and improved tracking and navigation devices. The mission is a cooperative project between the National Aeronautics and Space Administration (NASA), the National Imagery and Mapping Agency (NIMA) and the German (DLR) and Italian (ASI)space agencies. It is managed by NASA's Jet Propulsion Laboratory, Pasadena, CA, for NASA's Earth Science Enterprise, Washington, DC. Size: 3.4 km (2.1 miles) width x 7.0 km (4.4 miles) depth Location: 34.16 deg. North lat., 118.16 deg. West lon. Orientation: Looking North Original Data Resolution: SRTM and Landsat, 30 m, aerial photo, 3 m, no vertical exaggeration Date Acquired: February 16, 2000 (SRTM), July 3, 1985 (Landsat) Image: NASA/JPL/NIMA
Pasadena, California Perspec …
PIA02718
Sol (our sun)
C-Band Interferometric Radar …
Title Pasadena, California Perspective View with Aerial Photo and Landsat Overlay
Original Caption Released with Image This perspective view shows the western part of the city of Pasadena, California, looking north towards the San Gabriel Mountains. Portions of the cities of Altadena and La Canada-Flintridge are also shown. The image was created from three datasets: the Shuttle Radar Topography Mission (SRTM) supplied the elevation data, Landsat data from November 11, 1986 provided the land surface color (not the sky)and U. S. Geological Survey digital aerial photography provides the image detail. The Rose Bowl, surrounded by a golf course, is the circular feature at the bottom center of the image. The Jet Propulsion Laboratory, is the cluster of large buildings north of the Rose Bowl at the base of the mountains. A large landfill, Scholl Canyon, is the smooth area in the lower left corner of the scene. This image shows the power of combining data from different sources to create planning tools to study problems that affect large urban areas. In addition to the well-known earthquake hazards, Southern California is affected by a natural cycle of fire and mudflows. Wildfires strip the mountains of vegetation, increasing the hazards from flooding and mudflows for several years afterwards. Data such as shown on this image can be used to predict both how wildfires will spread over the terrain and also how mudflows will be channeled down the canyons. For a full-resolution, annotated version of this image, please select Figure 1, below: The Shuttle Radar Topography Mission (SRTM), launched on February 11,2000, uses the same radar instrument that comprised the Spaceborne Imaging Radar-C/X-Band Synthetic Aperture Radar (SIR-C/X-SAR) that flew twice on the Space Shuttle Endeavour in 1994. The mission is designed to collect three-dimensional measurements of the Earth's surface. To collect the 3-D data, engineers added a 60-meter-long(200-foot) mast, an additional C-band imaging antenna and improved tracking and navigation devices. The mission is a cooperative project between the National Aeronautics and Space Administration (NASA), the National Imagery and Mapping Agency (NIMA) and the German (DLR) and Italian (ASI) space agencies. It is managed by NASA's Jet Propulsion Laboratory, Pasadena, CA, for NASA's Earth Science Enterprise, Washington, DC. Size: 5.8 km (3.6 miles) x 10 km (6.2 miles) Location: 34.16 deg. North lat., 118.16 deg. West lon. Orientation: Looking North Original Data Resolution: SRTM, 30 meters, Landsat, 30 meters, Aerial Photo, 3 meters (no vertical exaggeration) Date Acquired: February 16, 2000 Image: NASA/JPL/NIMA
Pasadena, California Perspec …
PIA02718
Sol (our sun)
C-Band Interferometric Radar …
Title Pasadena, California Perspective View with Aerial Photo and Landsat Overlay
Original Caption Released with Image This perspective view shows the western part of the city of Pasadena, California, looking north towards the San Gabriel Mountains. Portions of the cities of Altadena and La Canada-Flintridge are also shown. The image was created from three datasets: the Shuttle Radar Topography Mission (SRTM) supplied the elevation data, Landsat data from November 11, 1986 provided the land surface color (not the sky)and U. S. Geological Survey digital aerial photography provides the image detail. The Rose Bowl, surrounded by a golf course, is the circular feature at the bottom center of the image. The Jet Propulsion Laboratory, is the cluster of large buildings north of the Rose Bowl at the base of the mountains. A large landfill, Scholl Canyon, is the smooth area in the lower left corner of the scene. This image shows the power of combining data from different sources to create planning tools to study problems that affect large urban areas. In addition to the well-known earthquake hazards, Southern California is affected by a natural cycle of fire and mudflows. Wildfires strip the mountains of vegetation, increasing the hazards from flooding and mudflows for several years afterwards. Data such as shown on this image can be used to predict both how wildfires will spread over the terrain and also how mudflows will be channeled down the canyons. For a full-resolution, annotated version of this image, please select Figure 1, below: The Shuttle Radar Topography Mission (SRTM), launched on February 11,2000, uses the same radar instrument that comprised the Spaceborne Imaging Radar-C/X-Band Synthetic Aperture Radar (SIR-C/X-SAR) that flew twice on the Space Shuttle Endeavour in 1994. The mission is designed to collect three-dimensional measurements of the Earth's surface. To collect the 3-D data, engineers added a 60-meter-long(200-foot) mast, an additional C-band imaging antenna and improved tracking and navigation devices. The mission is a cooperative project between the National Aeronautics and Space Administration (NASA), the National Imagery and Mapping Agency (NIMA) and the German (DLR) and Italian (ASI) space agencies. It is managed by NASA's Jet Propulsion Laboratory, Pasadena, CA, for NASA's Earth Science Enterprise, Washington, DC. Size: 5.8 km (3.6 miles) x 10 km (6.2 miles) Location: 34.16 deg. North lat., 118.16 deg. West lon. Orientation: Looking North Original Data Resolution: SRTM, 30 meters, Landsat, 30 meters, Aerial Photo, 3 meters (no vertical exaggeration) Date Acquired: February 16, 2000 Image: NASA/JPL/NIMA
3-D perspective of Saint Pie …
PIA02702
Sol (our sun)
C-Band Interferometric Radar …
Title 3-D perspective of Saint Pierre and Miquelon Islands
Original Caption Released with Image This image shows two islands, Miquelon and Saint Pierre, located south of Newfoundland, Canada. These islands, along with five smaller islands, are a self-governing territory of France. A thin barrier beach divides Miquelon, with Grande Miquelon to the north and Petite Miquelon to the south. Saint Pierre Island is located to the lower right. With the islands' location in the north Atlantic Ocean and their deep water ports, fishing is the major part of the economy. The maximum elevation of the island is 240 meters (787 feet). The land mass of the islands is about 242 square kilometers, or 1.5 times the size of Washington DC. This image shows how data collected by the Shuttle Radar Topography Mission (SRTM) can be used to enhance other satellite images. Color and natural shading are provided by a Landsat 7 image acquired on September 1, 1999. Terrain perspective and shading were derived from SRTM elevation data acquired on February 12, 2000. Topography is exaggerated by about six times vertically. The United States Geological Survey's Earth Resources Observations Systems (EROS) DataCenter, Sioux Falls, South Dakota, provided the Landsat data. Elevation data used in this image was acquired by the Shuttle Radar Topography Mission (SRTM) aboard the Space Shuttle Endeavour, launched on February 11,2000. SRTM used the same radar instrument that comprised the Spaceborne Imaging Radar-C/X-Band Synthetic Aperture Radar (SIR-C/X-SAR) that flew twice on the Space Shuttle Endeavour in 1994. SRTM was designed to collect three-dimensional measurements of the Earth's surface. To collect the 3-D data, engineers added a 60-meter-long (200-foot) mast, installed additional C-band and X-band antennas, and improved tracking and navigation devices. The mission is a cooperative project between the National Aeronautics and Space Administration (NASA), the National Imagery and Mapping Agency (NIMA) of the U.S. Department of Defense(DoD), and the German and Italian space agencies. It is managed by NASA's Jet Propulsion Laboratory, Pasadena, CA, for NASA's Earth Science Enterprise, Washington, DC.
Space Radar Image of Victori …
PIA01830
Sol (our sun)
Title Space Radar Image of Victoria, Canada
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