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SSME Post-Test Inspection
A propulsion engineer inspec …
1/1/91
Description A propulsion engineer inspects a Space Shuttle Main Engine following a test firing at the John C. Stennis Space Center in Hancock County, Miss.
Date 1/1/91
Employees View Test Firing
Stennis Space Center employe …
1/1/91
Description Stennis Space Center employees view a test firing of a Space Shuttle Main Engine on the A-1 test stand at Stennis Space Center.
Date 1/1/91
Magellan MGN37
This Magellan image is of an …
3/5/91
Date 3/5/91
Description This Magellan image is of an area located in the Eistla Region of Venus in the southern hemisphere and is centered at 5.5 degrees east longitude, 18 degrees south latitude. It is 122 kilometers (76 miles) across east to west and 107 kilometers (66 miles) north to south. North is at the top of the image. Shown is an unusual volcanic edifice unlike all others previously observed. It is approximately 66 kilometers (41 miles) across at the base and has a relatively flat, slightly concave summit 35 kilometers (22 miles) in diameter. The sides of the edifice are characterized by radiating ridges and valleys that impart a fluted appearance. To the west, the rim of the structure appears to have been breached by dark lava flows that emanated from a shallow summit pit approximately 5 kilometers (3 miles) in diameter and traveled west along a channel approximately 5 kilometers wide and 27 kilometers (17 miles) long. A series of coalescing, collapsed pits 2 to 10 kilometers (1.2 to 6.2 miles) in diameter are located 10 kilometers (6 miles) west of the summit. The edifice and western pits are circumscribed by faint, concentric lineaments up to 70 kilometers (43 miles) in diameter. A series of north northwest trending graben are deflected eastward around the edifice, the interplay of these graben and the fluted rim of the edifice produce a distinctive scalloped pattern in the image. Several north northwest trending lineaments cut directly across the summit region. This peculiar volcanic construct is located 25 to 30 kilometers (15 to 19 miles) north of Alpha Regio, a highly deformed region of tessera terrain. A collection of at least six similar volcanoes has been observed near Thetis Regio, a region of tessera within Aphrodite Terra. Thus, these unusual constructs tentatively appear to be spatially associated with regions of tessera. A tessera is a complex, deformed terrain on Venus consisting of at least two sets of intersecting ridges and troughs. The implications of this spatial association on the unusual morphology of these constructs are being investigated. #####
Gaspra - Galileo
title Gaspra - Galileo
date 10.29.1991
description The Galileo spacecraft captured this view of asteroid 951 Gaspra in 1991. It was the first time a spacecraft made a close flyby of an asteroid. This image is a combination of images taken with the violet, green and near-IR filters at a resolution of about 163 m/pixel overlain on a 54 m/pixel resolution clear filter image. The colors are highly exaggerated to bring out subtle differences in surface properties. Bluish regions represent fresher rock, while reddish regions are composed of regolith materials. Gaspra is an irregular shaped body about 19 x 12 x 11 km. The illuminated portion in this image is about 18 km from lower left to upper right. The sun is shinning from the right. *Image Credit*: NASA
Asteroid Gaspra's True Color …
title Asteroid Gaspra's True Colors
date 10.29.1991
description These two color views of the asteroid Gaspra were produced by combining three images taken through violet, green, and infrared filters by the Galileo spacecraft on October 29, 1991, from a distance of about 16,000 kilometers. The view on the left shows Gaspra in approximately true color, the surface is covered with rocks that are somewhat less gray than those on Earth's Moon. In the version on the right, the colors were enhanced to bring out the muted color variations on the asteroid and to increase the ability to discriminate between surface features. The subtle variations in color may be due to slight differences in rock composition or to differences in the texture of the surface layer. Gaspra is about 19 x 12 x 11 kilometers and irregular in shape. The illuminated portion seen in these views is about 16 x 12 kilometers. These color images were produced for the Galileo project by the U.S. Geological survey, Flagstaff, Arizona. The Galileo project, whose primary mission was the exploration of the Jupiter system, was managed for NASA's Office of Space Science and Applications by the Jet Propulsion Laboratory. *Image Credit*: U.S. Geological Survey
Asteroids Mathilde, Gaspra a …
title Asteroids Mathilde, Gaspra and Ida
description Mathilde, Gaspra, and Ida (left to right, all at the same scale). The image of Mathilde was taken by the Near Earth Asteroid Rendezvous spacecraft on June 27, 1997. Images of Gaspra and Ida were taken in 1991 and 1993, respectively, by the Galileo spacecraft. The visible part of Mathilde measures 37 miles (59 kilometers) wide and 29 miles (47 kilometers) high. Mathilde has more large craters than the other two asteroids. Mathilde is shown at about the same brightness as the other two asteroids, but is actually much darker. *Image Credit*: NASA
Gaspra, Deimos and Phobos
title Gaspra, Deimos and Phobos
description This montage shows asteroid 951 Gaspra (top) compared with Deimos (lower left) and Phobos (lower right), the moons of Mars. The three bodies are shown at the same scale and nearly the same lighting conditions. Gaspra is about 17 kilometers (10 miles) long. All three bodies have irregular shapes due to past catastrophic conditions. However, their surfaces appear remarkably different, possibly because of differences in composition but most likely because of very different impact histories. The Phobos and Deimos images were obtained by the Viking Orbiter spacecraft in 1977, the Gaspra image is the best of a series obtained by the Galileo spacecraft on October 29, 1991. *Image Credit*: NASA, Jet Propulsion Laboratory
Asteroid Ida
title Asteroid Ida
date 08.28.1993
description This view of the asteroid 243 Ida is a mosaic of five image frames acquired by the Galileo spacecraft's solid-state imaging system at ranges of 3,057 to 3,821 kilometers (1900 to 2375 miles) on August 28, 1993, about 3.5 minutes before the spacecraft made its closest approach to the asteroid. Galileo flew about 2400 kilometers (1,500 miles) from Ida at a relative velocity of 12.4 kilometers per sec (28,000 miles per hour). Asteroid and spacecraft were 441 million kilometers (274 million miles) from the Sun. Ida is the second asteroid ever encountered by a spacecraft. It appears to be about 52 kilometers (32 miles) in length, more than twice as large as Gaspra, the first asteroid observed by Galileo in October 1991. Ida is an irregularly shaped asteroid placed by scientists in the S class (believed to be like stony or stony iron meteorites). It is a member of the Koronis family, presumed fragments left from the breakup of a precursor asteroid in a catastrophic collision. This view shows numerous craters, including many degraded craters larger than any seen on Gaspra. The extensive cratering seems to dispel theories about Ida's surface being geologically youthful. This view also seems to rule out the idea that Ida is a double body. The south pole is believed to be in the dark side near the middle of the asteroid. The camera's clear filter was used to produce this extremely sharp picture. Spatial resolution is 31 to 38 meters (roughly 100 feet) per pixel. A 30-frame mosaic was taken to assure capturing Ida, its position was somewhat uncertain before the Galileo encounter. Galileo shuttered and recorded a total of 150 images in order to capture Ida 21 different times during a five-hour period (about one rotation of the asteroid). Color filters were used at many of these times to allow reconstruction of color images. The Galileo project, whose primary mission was the exploration of the Jupiter system, WAs managed for NASA's Office of Space Science by the Jet Propulsion Laboratory. *Image Credit*: NASA, Jet Propulsion Laboratory
Gaspra - Highest Resolution …
title Gaspra - Highest Resolution Mosaic
date 10.29.1991
description This picture of asteroid 951 Gaspra is a mosaic of two images taken by the Galileo spacecraft from a range of 5,300 kilometers (3,300 miles), some 10 minutes before closest approach on October 29, 1991. The Sun is shining from the right, phase angle is 50 degrees. The resolution, about 54 meters/pixel, is the highest for the Gaspra encounter and is about three times better than that in the view released in November 1991. Gaspra is an irregular body with dimensions about 19 x 12 x 11 kilometers (12 x 7.5 x 7 miles). The portion illuminated in this view is about 18 kilometers (11 miles) from lower left to upper right. The north pole is located at upper left, Gaspra rotates counterclockwise every 7 hours. The large concavity on the lower right limb is about 6 kilometers (3.7 miles) across, the prominent crater on the terminator, center left, about 1.5 kilometers (1 mile). A striking feature of Gaspra's surface is the abundance of small craters. More than 600 craters, 100-500 meters (330-1650 feet) in diameter are visible here. The number of such small craters compared to larger ones is much greater for Gaspra than for previously studied bodies of comparable size such as the satellites of Mars. Gaspra's very irregular shape suggests that the asteroid was derived from a larger body by nearly catastrophic collisions. Consistent with such a history is the prominence of groove-like linear features, believed to be related to fractures. These linear depressions, 100-300 meters wide and tens of meters deep, are in two crossing groups with slightly different morphology, one group wider and more pitted than the other. Grooves had previously been seen only on Mars's moon Phobos, but were predicted for asteroids as well. Gaspra also shows a variety of enigmatic curved depressions and ridges in the terminator region at left. The Galileo project, whose primary mission is the exploration of the Jupiter system in 1995-97, is managed for NASA's Office of Space Science and Applications by the Jet Propulsion Laboratory. *Image Credit*: JPL
Aurora Australis
title Aurora Australis
description Red and green colors predominate in this view of the Aurora Australis photographed from the Space Shuttle in May 1991 at the peak of the last geomagnetic maximum. The payload bay and tail of the Shuttle can be seen on the left hand side of the picture. Auroras are caused when high-energy electrons pour down from the Earth's magnetosphere and collide with atoms. Red aurora occurs from 200 km to as high as 500 km altitude and is caused by the emission of 6300 Angstrom wavelength light from oxygen atoms. Green aurora occurs from about 100 km to 250 km altitude and is caused by the emission of 5577 Angstrom wavelength light from oxygen atoms. The light is emitted when the atoms return to their original unexcited state. At times of peaks in solar activity, there are more geomagnetic storms and this increases the auroral activity viewed on Earth and by astronauts from orbit. Photographing them requires careful technique with long exposures and fast film (in this case ASA 1600). Such film can only be used on short-duration Shuttle flights and not from the Space Station because it is sensitive to radiation damage in orbit over time. The most recent astronaut photograph of aurora was taken before the April 2001 flurry of solar activity, and showed only a relatively low-energy green glow. This image was taken by the crew of the Space Shuttle Discovery in May 1991. *Image Credit*: NASA
Asteroid Gaspra
title Asteroid Gaspra
date 10.29.1991
description This picture of asteroid 951 Gaspra is a mosaic of two images taken by the Galileo spacecraft from a range of 5300 kilometers, some 10 minutes before closest approach on October 29, 1991. The Sun is shining from the right, phase angle is 500. The resolution, about 54 meters/pixel, is the highest for the Gaspra encounter and is about three times better than that in the view released in November 1991. Gaspra is an irregular body with dimensions about 19 x 12 x 11 kilometers. The portion illuminated in this view is about 18 kilometers from lower left to upper right. The north pole is located at upper left, Gaspra rotates counterclockwise every 7 hours. The large concavity on the lower right limb is about 6 kilometers across. The prominent crater on the terminator, center left, is about 1.5 kilometers. A striking feature of Gaspra's surface is the abundance of small craters. More than 600 craters, 100 to 500 meters in diameter, are visible here. The number of such small craters compared to larger ones is much greater for Gaspra than for previously studied bodies of comparable size (such as the satellites of Mars). Gaspra's very irregular shape suggests that the asteroid was derived from a larger body by nearly catastrophic collisions. Consistent with such a history is the prominence of groove-like linear features believed to be related to fractures. These linear depressions, 100 to 300 meters wide and tens of meters deep, are in two crossing groups with slightly different morphology, with one group wider and more pitted than the other. Grooves had previously been seen only on Mars' moon Phobos, but were predicted for asteroids as well. Gaspra also shows a variety of enigmatic curved depressions and ridges in the terminator region at left. The Galileo project, whose primary mission was the exploration of the Jupiter system, was managed for NASA's Office of Space Science and Applications by the Jet Propulsion Laboratory. *Image Credit*: U.S. Geological Survey
ROSAT X-ray Image of RX J124 …
Name ROSAT X-ray Image of RX J1242-11
ATCA Radio Image of N63A
Name ATCA Radio Image of N63A
NASA HL-20 Lifting Body
Title NASA HL-20 Lifting Body
Full Description The HL-20 was built at Langley in October 1990 and is a full-scale non-flying mockup. This mockup was used for engineering studies of maintainability of the vehicle, as testing crew positions, pilot visibility and other human factors considerations. The HL-20 was a direct derivative of the HL-10 vehicle tested in the 1960s and bears a very close resemblance to engineering drawings produced at that time. Although evaluated as a possible "space taxi," the HL-20, sometimes called the "Personnel Launch System," was never built.
Date 10/22/1991
NASA Center Langley Research Center
NASA Langley Magnetic Suspen …
Title NASA Langley Magnetic Suspension/Balance System
Full Description A shuttle model is magnetically suspended in the transparent hexagonal test section of the MIT/NASA Langley 6 inch MSBS. Massive power supplies are required to drive electromagnets for model position control. A unique electromagnetic position sensor, similar to a linear variable differential transformer, provides five degrees of freedom for the test model. The low speed (Mach 0.5) wind tunnel was hand crafted from mahogany. Aerodynamic forces on the test model are measured by the proportional electrical current used to hold the model in place. The system was built by MIT in the late sixties, and was relocated to Langley in the mid eighties. In a joint effort with Old Dominion University in 1992 the MSBS was used to test the aerodynamics of store separation, simulating a bomb released from an aircraft. The system has been donated to Old Dominion University.
Date 6/11/1991
NASA Center Langley Research Center
Dr. James C. Fletcher
Title Dr. James C. Fletcher
Full Description Dr. James C. Fletcher served as NASA Administrator from April 27, 1971, to May 1, 1977, and from May 12, 1986, to April 8, 1989. During his first administration at NASA, Dr. Fletcher was responsible for beginning the Shuttle effort, as well as the Viking program that sent landers to Mars. He oversaw the Skylab missions and Viking probes and approved the Voyager space probe, the Hubble Space Telescope and the Apollo-Soyuz Test Project. During his second tenure, he presided over the effort to recover from the Challenger accident. Dr. Fletcher died in December 1991 of lung cancer.
Date UNKNOWN
NASA Center Headquarters
Endeavour Arrival
Title Endeavour Arrival
Full Description The newest addition to the Space Shuttle orbiter fleet, Endeavour, arrives at KSC atop the 747 Shuttle Carrier Aircraft on May 7. OV-105 will be demated from the Boeing aircraft, and towed to the Vehicle Assembly Building for installation of several major flight components. Next step will be a lengthy stay in the Orbiter Processing Facility for a rigorous series of first flow tests. Endeavour is scheduled to lift off on its maiden space flight in 1992.
Date 5/7/1991
NASA Center Kennedy Space Center
Space Shuttle Endeavour Roll …
Title Space Shuttle Endeavour Rollout
Full Description NASA Administrator Richard H. Truly addresses the audience in attendance at the rollout ceremonies of the Space Shuttle Orbiter Endeavour which occured on April 25, 1991, at the Rockwell International facility, Palmdale, Calif. Endeavour, the fourth Orbiter to join the fleet, replacing the lost Challenger, can be seen in the background.
Date 04/25/1991
NASA Center Headquarters
Stennis Propulsion Test Comp …
Title Stennis Propulsion Test Complex
Full Description Pictured is the John C. Stennis Space Center's propulsion testing complex. In the foreground is the center's largest Test Stand the B-1, along with the A-2 and A-1 stands. These test stands are used to test the Space Shuttle Main Engines. In the distance can be seen the E-1 Test Facility. It is here that fuel tanks and materials for future spacecraft are tested.
Date 01/01/1991
NASA Center Stennis Space Center
STS-43 Launch
Title STS-43 Launch
Full Description The Space Shuttle Atlantis streaks skyward as sunlight pierces through the gap between the orbiter and ET assembly. Atlantis lifted off on the 42nd space shuttle flight at 11:02 a.m. EDT on August 2, 1991 carrying a crew of five and TDRS-E. A remote camera at the 275-foot level of the Fixed Surface Structure took this picture.
Date 8/2/1991
NASA Center Kennedy Space Center
James R. Thompson Jr.
Title James R. Thompson Jr.
Full Description James R. Thompson Jr., served as NASA's Deputy Administrator from July 6, 1989, to November 8, 1991. Before assuming the position of Deputy Administrator, Mr. Thompson was director of Marshall Space Flight Center where he spent many years working in a variety of positions, including associate director for engineering and as manager of the Space Shuttle Main Engine project. Mr. Thompson also served on the task force that investigated the cause of the Challenger accident.
Date 01/13/1989
NASA Center Headquarters
NASA's Hubble Space Telescop …
Title NASA's Hubble Space Telescope To Monitor Changes On Mars
Starburst Galaxies And The X …
Title Starburst Galaxies And The X-ray Background
General Information What is an American Astronomical Society Meeting release? A major news announcement issued at an American Astronomical Society meeting, the premier astronomy conference. Astronomers at the Space Telescope Science Institute have new evidence for explaining the mysterious X-ray background that permeates the universe. Astronomers Antonella Fruscione, Richard Griffiths and John Mackenty have found a number of "star-burst" galaxies which could help to account for the X- ray background. This at least rivals the contribution from quasars, which are known to account for about 30% of the background. Read more: * Release Text [ http://hubblesite.org/newscenter/archive/releases/1991/02/text/ ]
NASA's Hubble Space Telescop …
Title NASA's Hubble Space Telescope Views Major Storm On Saturn
NASA's Hubble Space Telescop …
Title NASA's Hubble Space Telescope Establishes Accurate New Distance Measurement To Neighboring Galaxy
General Information What is an American Astronomical Society Meeting release? A major news announcement issued at an American Astronomical Society meeting, the premier astronomy conference. Recent observations of the remnants of Supernova 1987A, conducted with NASA's Hubble Space Telescope have provided an unexpected bonus - an accurate determination of the absolute distance to the Large Magellanic Cloud, a satellite galaxy of the Milky Way, located in the southern hemisphere. Read more: * Release Text [ http://hubblesite.org/newscenter/archive/releases/1991/03/text/ ]
The Hubble Reveals the Evolv …
Title The Hubble Reveals the Evolving Core of a Dense Star Cluster
General Information What is an American Astronomical Society Meeting release? A major news announcement issued at an American Astronomical Society meeting, the premier astronomy conference. Astronomers today presented pictures taken with the Hubble Space Telescope of the heart of M15, a dense cluster of stars within our own Galaxy. The pictures show for the first time that M15 is in the process of recovering from a deep implosion of its core regions, caused by a massive gravitational instability. Many other star clusters may have experienced a similar collapse, in which their central stars crowd into a compact aggregate, causing a sharp rise in central density. This process may also happen in the dense centers of galaxies, where it may lead to the formation of massive black holes. The analysis of the Hubble images was presented by Dr. Tod R. Lauer of the National Gptical Astronomy Observatories, Tucson, Arizona, Dr. Jon A. Holtzman of Lowell Observatory, Flagstaff, Arizona, Dr. Sandra M. Faber of Lick Observatory, Santa Cruz, California, and fellow members of the Hubble Wide Field/Planetary Camera imaging team, at the American Astronomical Society meeting in Philadelphia, Pennsylvania. Read more: * Release Text [ http://hubblesite.org/newscenter/archive/releases/1990/23/text/ ]
The Hubble Reveals the Evolv …
Title The Hubble Reveals the Evolving Core of a Dense Star Cluster
General Information What is an American Astronomical Society Meeting release? A major news announcement issued at an American Astronomical Society meeting, the premier astronomy conference. Astronomers today presented pictures taken with the Hubble Space Telescope of the heart of M15, a dense cluster of stars within our own Galaxy. The pictures show for the first time that M15 is in the process of recovering from a deep implosion of its core regions, caused by a massive gravitational instability. Many other star clusters may have experienced a similar collapse, in which their central stars crowd into a compact aggregate, causing a sharp rise in central density. This process may also happen in the dense centers of galaxies, where it may lead to the formation of massive black holes. The analysis of the Hubble images was presented by Dr. Tod R. Lauer of the National Gptical Astronomy Observatories, Tucson, Arizona, Dr. Jon A. Holtzman of Lowell Observatory, Flagstaff, Arizona, Dr. Sandra M. Faber of Lick Observatory, Santa Cruz, California, and fellow members of the Hubble Wide Field/Planetary Camera imaging team, at the American Astronomical Society meeting in Philadelphia, Pennsylvania. Read more: * Release Text [ http://hubblesite.org/newscenter/archive/releases/1990/25/text/ ]
NASA Awards Hubble Space Tel …
Title NASA Awards Hubble Space Telescope Mission Planners
Hubble Space Telescope Resol …
Title Hubble Space Telescope Resolves Braided Galactic Jet
General Information What is an American Astronomical Society Meeting release? A major news announcement issued at an American Astronomical Society meeting, the premier astronomy conference. NASA's Hubble Space Telescope has provided a detailed view of a ten thousand light-year long jet of plasma which has been ejected from the core of a galaxy 270 million light-years away. Observations made with the European Space Agency's Faint Object Camera (FOC) reveal that the jet has an unusual braided structure, like a twisted pair of wires. "This is the first time that such a structure has been seen in an optical jet," says F. Duccio Macchetto, ESA's Principal Investigator on the FOC and Head of the Science Programs Division at the Space Telescope Science Institute. Read more: * Release Text [ http://hubblesite.org/newscenter/archive/releases/1991/01/text/ ]
The Hubble Reveals the Evolv …
Title The Hubble Reveals the Evolving Core of a Dense Star Cluster
General Information What is an American Astronomical Society Meeting release? A major news announcement issued at an American Astronomical Society meeting, the premier astronomy conference. Astronomers today presented pictures taken with the Hubble Space Telescope of the heart of M15, a dense cluster of stars within our own Galaxy. The pictures show for the first time that M15 is in the process of recovering from a deep implosion of its core regions, caused by a massive gravitational instability. Many other star clusters may have experienced a similar collapse, in which their central stars crowd into a compact aggregate, causing a sharp rise in central density. This process may also happen in the dense centers of galaxies, where it may lead to the formation of massive black holes. The analysis of the Hubble images was presented by Dr. Tod R. Lauer of the National Gptical Astronomy Observatories, Tucson, Arizona, Dr. Jon A. Holtzman of Lowell Observatory, Flagstaff, Arizona, Dr. Sandra M. Faber of Lick Observatory, Santa Cruz, California, and fellow members of the Hubble Wide Field/Planetary Camera imaging team, at the American Astronomical Society meeting in Philadelphia, Pennsylvania. Read more: * Release Text [ http://hubblesite.org/newscenter/archive/releases/1990/23/text/ ]
NASA's Hubble Space Telescop …
Title NASA's Hubble Space Telescope Resolves a Planetary Nebula in the Large Magellanic Could
General Information What is an American Astronomical Society Meeting release? A major news announcement issued at an American Astronomical Society meeting, the premier astronomy conference. The NASA Hubble Space Telescope (HST) has imaged N66, a planetary nebula in the Large Magellanic Cloud (a satellite galaxy of our own Milky Way galaxy). The image was obtained at 10:41 p.m. EDT on June 26, 1991, using the European Space Agency's Faint Object Camera.
HST's First Observation Of J …
Title HST's First Observation Of Jupiter
NASA's Hubble Space Telescop …
Title NASA's Hubble Space Telescope Images the Dense Nucleus of Galaxy M32
NASA's Hubble Space Telescop …
Title NASA's Hubble Space Telescope Produces Clear Color Photo of Jupiter
HST's First Observation Of J …
Title HST's First Observation Of Jupiter
Artist's Illustration of Bet …
Title Artist's Illustration of Beta Pictoris Gas Disk
NASA's Hubble Space Telescop …
Title NASA's Hubble Space Telescope Resolves Eruption of a Massive Star
Mars, Three-color Composite
Title Mars, Three-color Composite
NASA's Hubble Space Telescop …
Title NASA's Hubble Space Telescope Resolves Eruption of a Massive Star
NASA Hubble Space Telescope …
Title NASA Hubble Space Telescope Observations Indicate Nearby Hydrogen Clouds May Be Associated With Galaxies
General Information What is an American Astronomical Society Meeting release? A major news announcement issued at an American Astronomical Society meeting, the premier astronomy conference. Astronomers reported today that recent ultraviolet observations with NASA's Hubble Space Telescope suggest that what were thought to be randomly distributed, nearby primordial clouds of hydrogen may actually be associated with galaxies or clusters of galaxies. Read more: * Release Text [ http://hubblesite.org/newscenter/archive/releases/1992/04/text/ ]
Hubble Space Telescope Finds …
Title Hubble Space Telescope Finds a Double Nucleus in the Andromeda Galaxy
Arctic Yearly Minimum Sea Ic …
Title Arctic Yearly Minimum Sea Ice Concentration 1979-2003
Abstract This animation shows the yearly minimum sea ice concentration from September for each year from 1979 through 2003. The average sea ice extent from 1979-2002 is outlined in orange.
Completed 2004-04-08
HoloGlobe: Vegetation Index …
Title HoloGlobe: Vegetation Index for 1991 on a Flat Earth
Abstract This is one of a series of animations that were produced to be part of the narrated video shown in the HoloGlobe exhibit at the Smithsonian Museum of Natural History and the Earth Today exhibit at the Smithsonian Air and Space Museum.
Completed 1996-08-10
HoloGlobe: Vegetation Index …
Title HoloGlobe: Vegetation Index for 1991 on a Flat Earth
Abstract This is one of a series of animations that were produced to be part of the narrated video shown in the HoloGlobe exhibit at the Smithsonian Museum of Natural History and the Earth Today exhibit at the Smithsonian Air and Space Museum.
Completed 1996-08-10
HoloGlobe: Vegetation Index …
Title HoloGlobe: Vegetation Index for 1991 on a Flat Earth
Abstract This is one of a series of animations that were produced to be part of the narrated video shown in the HoloGlobe exhibit at the Smithsonian Museum of Natural History and the Earth Today exhibit at the Smithsonian Air and Space Museum.
Completed 1996-08-10
HoloGlobe: Vegetation Index …
Title HoloGlobe: Vegetation Index for 1991 on a Flat Earth
Abstract This is one of a series of animations that were produced to be part of the narrated video shown in the HoloGlobe exhibit at the Smithsonian Museum of Natural History and the Earth Today exhibit at the Smithsonian Air and Space Museum.
Completed 1996-08-10
HoloGlobe: Vegetation Index …
Title HoloGlobe: Vegetation Index for 1991 on a Flat Earth
Abstract This is one of a series of animations that were produced to be part of the narrated video shown in the HoloGlobe exhibit at the Smithsonian Museum of Natural History and the Earth Today exhibit at the Smithsonian Air and Space Museum.
Completed 1996-08-10
HoloGlobe: Vegetation Index …
Title HoloGlobe: Vegetation Index for 1991 on a Flat Earth
Abstract This is one of a series of animations that were produced to be part of the narrated video shown in the HoloGlobe exhibit at the Smithsonian Museum of Natural History and the Earth Today exhibit at the Smithsonian Air and Space Museum.
Completed 1996-08-10
HoloGlobe: Vegetation Index …
Title HoloGlobe: Vegetation Index for 1991 on a Flat Earth
Abstract This is one of a series of animations that were produced to be part of the narrated video shown in the HoloGlobe exhibit at the Smithsonian Museum of Natural History and the Earth Today exhibit at the Smithsonian Air and Space Museum.
Completed 1996-08-10
HoloGlobe: Vegetation Index …
Title HoloGlobe: Vegetation Index for 1991 on a Flat Earth
Abstract This is one of a series of animations that were produced to be part of the narrated video shown in the HoloGlobe exhibit at the Smithsonian Museum of Natural History and the Earth Today exhibit at the Smithsonian Air and Space Museum.
Completed 1996-08-10
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