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SOHO Watches Saturn and Cass …
Description SOHO Watches Saturn and Cassini Pass Behind the Sun
Full Description In this SOHO image taken July 21, 2005, the Sun is represented by the white circle in the center. Saturn is the bright object to the left of the Sun. Interestingly, the streak accompanying Saturn is not the rings but a distortion caused by Saturn's brightness. Saturn is approaching "superior conjunction," that is, it will be almost directly behind the Sun from Earth -- thus the Cassini spacecraft, in orbit around Saturn, will not be able to send or receive transmissions normally. Regular science data collection has been temporarily suspended. As Cassini passes closest by the limb (edge) of the Sun on July 24 PDT, communications will be impossible because of the Sun's radio noise. The spacecraft will regain full communication with Earth on July 27, once again returning Saturn science data. In the meantime, controllers are sending approximately 100 commands per day to test communication status. Cassini radio scientists are taking advantage of this opportunity to study the Sun's corona from its effects on the radio signals that reach Earth. SOHO (Solar and Heliospheric Observatory Satellite) orbits the Sun parked in one of the five gravitational-neutral spots, called Lagrange Points. This specific spot, called L1, stays in the same place relative to the Sun and the Earth, offering a continuously uninterrupted view of the Sun. Saturn is not in sight again until the evening of July 24. After that date, it will be to the RIGHT of the sun. For more information on "superior conjunction," visit: http://www.jpl.nasa.gov/basics/bsf1-2.html#conj . For more information on the Lagrange Points, visit: http://map.gsfc.nasa.gov/m_mm/ob_techorbit1.html For more information on SOHO, visit: http://sohowww.nascom.nasa.gov/ . Finally, the latest SOHO images are available at: http://sohowww.nascom.nasa.gov/data/realtime/c3/1024/latest.gif . Credit: SOHO -- http://sohowww.nascom.nasa.gov/
Date July 22, 2005
SOHO Watches Saturn and Cass …
Description SOHO Watches Saturn and Cassini Pass Behind the Sun
Full Description In this SOHO image taken July 21, 2005, the Sun is represented by the white circle in the center. Saturn is the bright object to the left of the Sun. Interestingly, the streak accompanying Saturn is not the rings but a distortion caused by Saturn's brightness. Saturn is approaching "superior conjunction," that is, it will be almost directly behind the Sun from Earth -- thus the Cassini spacecraft, in orbit around Saturn, will not be able to send or receive transmissions normally. Regular science data collection has been temporarily suspended. As Cassini passes closest by the limb (edge) of the Sun on July 24 PDT, communications will be impossible because of the Sun's radio noise. The spacecraft will regain full communication with Earth on July 27, once again returning Saturn science data. In the meantime, controllers are sending approximately 100 commands per day to test communication status. Cassini radio scientists are taking advantage of this opportunity to study the Sun's corona from its effects on the radio signals that reach Earth. SOHO (Solar and Heliospheric Observatory Satellite) orbits the Sun parked in one of the five gravitational-neutral spots, called Lagrange Points. This specific spot, called L1, stays in the same place relative to the Sun and the Earth, offering a continuously uninterrupted view of the Sun. Saturn is not in sight again until the evening of July 24. After that date, it will be to the RIGHT of the sun. For more information on "superior conjunction," visit: http://www.jpl.nasa.gov/basics/bsf1-2.html#conj . For more information on the Lagrange Points, visit: http://map.gsfc.nasa.gov/m_mm/ob_techorbit1.html For more information on SOHO, visit: http://sohowww.nascom.nasa.gov/ . Finally, the latest SOHO images are available at: http://sohowww.nascom.nasa.gov/data/realtime/c3/1024/latest.gif . Credit: SOHO -- http://sohowww.nascom.nasa.gov/
Date July 22, 2005
Enceladus Temperature Map
Description Enceladus Temperature Map
Full Description This image shows the surprise that startled Cassini scientists on the composite infrared spectrometer team when they got their first look at the infrared (heat) radiation from the south pole of Saturn's moon Enceladus. There is a dramatic warm spot centered on the pole that is probably a sign of internal heat leaking out of the icy moon. The data were taken during the spacecraft's third flyby of this intriguing moon on July 14, 2005. Based on data from previous flybys, which did not show the south pole well, team members expected that the south pole would be very cold, as shown in the left panel. Enceladus is one of the coldest places in the Saturn system because its extremely bright surface reflects 80 percent of the sunlight that hits it, so only 20 percent is available to heat the surface. As on Earth, the poles should be even colder than the equator because the sun shines at such an oblique angle there. The right hand panel shows a global temperature image made from measurements of Enceladus' heat radiation at wavelengths between 9 and 16.5 microns. Cassini made the observation from a distance of 84,000 kilometers (52,000 miles) on the approach to Enceladus, and the image shows details as small as 25 kilometers (16 miles). Equatorial temperatures are much as expected, topping out at about 80 degrees Kelvin (-315 degrees Fahrenheit), but the south pole is occupied by a well-defined warm region reaching 85 Kelvin (-305 degrees Fahrenheit). That is 15 degrees Kelvin (27 degrees Fahrenheit) warmer than expected. The composite infrared spectrometer data further suggest that small areas of the pole are at even higher temperatures, well over 110 degrees Kelvin (-261 degrees Fahrenheit). Evaporation of this relatively warm ice probably generates the cloud of water vapor detected above Enceladus' south pole by several other Cassini instruments. The south polar temperatures are very difficult to explain if sunlight is the only energy source heating the surface, though exotic sunlight-trapping mechanisms have not yet been completely ruled out. It therefore seems likely that portions of the polar region are warmed by heat escaping from the interior of the moon. This would make Enceladus only the third solid body in the solar system, after Earth and Jupiter's volcanic moon Io, where hot spots powered by internal heat have been detected. The Cassini-Huygens mission is a cooperative project of NASA, the European Space Agency and the Italian Space Agency. The Jet Propulsion Laboratory, a division of the California Institute of Technology in Pasadena, manages the mission for NASA's Science Mission Directorate, Washington, D.C. The Cassini orbiter was designed, developed and assembled at JPL. The composite infrared spectrometer team is based at NASA's Goddard Space Flight Center, Greenbelt, Md. For more information about the Cassini-Huygens mission visit http://saturn.jpl.nasa.gov . The composite infrared spectrometer team homepage is, http://cirs.gsfc.nasa.gov/ . Credit: NASA/JPL/GSFC
Date July 29, 2005
Phoebe Temperature Maps
Description Phoebe Temperature Maps
Full Description A montage of maps of Saturn's moon Phoebe shows surface temperatures at various times of day as determined by the composite infrared spectrometer onboard Cassini during the June 11, 2004, Phoebe flyby. The asterisk on each map shows the location of the subsolar point, where the Sun is directly overhead. This point moves across the surface as Phoebe rotates. It is morning in regions to the left of the subsolar point, and afternoon in regions to the right. Like a newspaper weather map, different colors indicate different temperatures, though Phoebe's temperatures are distinctly cooler than even the coldest January day on Earth. Equatorial temperatures peak in the early afternoon near 112 Kelvin (-257 Fahrenheit), plunging to 78 Kelvin (-319 Fahrenheit) before dawn, and are even colder at higher latitudes. The large day/night temperature contrasts imply that Phoebe's surface is covered in loose dust or ice particles that store little heat and thus cool off rapidly at night. Regions of Phoebe's surface that were not observed are shown in black. Most of the maps show the effect on surface temperatures of the large crater-like depression seen in Cassini's visible-wavelength images of Phoebe, which is located just left of center in these maps. Crater walls that are shadowed and cold in the early morning in the first map are sunlit and warm in the late afternoon in the final map. The Cassini-Huygens mission is a cooperative project of NASA, the European Space Agency and the Italian Space Agency. The Jet Propulsion Laboratory, a division of the California Institute of Technology in Pasadena, manages the Cassini-Huygens mission for NASA's Office of Space Science, Washington, D.C. The Cassini orbiter was designed, developed and assembled at JPL. The composite infrared spectrometer team is based at NASA's Goddard Space Flight Center, Greenbelt, Md. For more information about the Cassini-Huygens mission, visit http://saturn.jpl.nasa.gov and the Cassini composite infrared spectrometer home page at http://cirs.gsfc.nasa.gov/ . Image Credit: NASA/JPL/Goddard Space Flight Center
OSO Launch
Title OSO Launch
Full Description NASA successfully launched more than 200 Earth-orbiting satellites, including Goddard's eighth Orbiting Solar Observatory aboard this Delta rocket on June 21,1975, at Cape Canaveral, Florida. The satellite-the final in a series of spacecraft specifically designed to look at the Sun in high-energy wavelength bands that scientists cannot see on Earth-gathered data on energy transfer in the Sun's hot, gaseous atmosphere and its 11-year sunspot cycle. Sunspots are cooler regions that appear as dark patches in the visible surface of the Sun and are more plentiful every 11 years. Flares and other powerful solar events that sometimes wreak havoc with Earth's communications systems also are associated with heightened sunspot activity. In addition to looking at the Sun, the satellite investigated celestial sources of X-rays in the Milky Way and beyond. It carried eight experiments.
Date 01/01/1975
NASA Center Goddard Space Flight Center
Dynamic Test Chamber
Title Dynamic Test Chamber
Full Description NASA's International Sun-Earth Explorer C (ISEE C) was undergoing testing and evaluation inside Goddard's dynamic test chamber when this photo was taken. Working inside a dynamic test chamber, Goddard engineers wear protective "clean room" clothing to prevent microscopic dust particles from damaging the sophisticated instrumentation. NASA launched the 16-sided polyhedron, which weighed 1,032 lbs. (469 kg.), from Cape Canaveral, Florida, on August 12, 1978. From its halo orbit 932,000 miles (1.5 million km.) from Earth, the satellite monitored the characteristics of solar phenomena about one hour before its companion satellites-ISEE-A and ISEE-B-observed the same phenomena from a much closer near-Earth orbit. The correlated measurements supported the work of 117 scientific investigators who were trying to get a better understanding of how the Sun controls Earth's near-space environment. The scientists represented 35 universities in 10 nations
Date 11/06/1976
NASA Center Goddard Space Flight Center
Hole in the Ozone Layer Over …
Title Hole in the Ozone Layer Over Antarctica
Full Description In 1985, a British scientist working in Antarctica discovered a 40 percent loss in the ozone layer over the continent. When Goddard Space Flight Center researchers reviewed their data, they confirmed the ozone loss. Since then, scientists have relied on instrumentation developed by Goddard to keep track of the environmental phenomenon, which in the 1990s prompted a worldwide ban on chlorofluorocarbons (CFCs), a chemical used for refrigeration and other industrial uses. In this image, the blue/purple areas show low ozone, while the red areas indicate higher ozone levels. Although ozone is considered a pollutant in the troposphere?the atmospheric layer that contains the air we breathe?in higher altitudes, notably in the stratosphere, ozone is considered vital. Stratospheric ozone blocks harmful ultraviolet radiation produced by the Sun. Scientists worry that the large ozone opening over the poles generally deplete ozone levels around the globe, which could cause a health risk to animals and plants.
Date 10/01/1998
NASA Center Goddard Space Flight Center
Hubble Follows Rapid Changes …
Title Hubble Follows Rapid Changes in Jupiter's Aurora
Hubble Picture Adds to Plane …
Title Hubble Picture Adds to Planet-Making Recipe
Hubble Telescope Reveals Swa …
Title Hubble Telescope Reveals Swarm of Glittering Stars in Nearby Galaxy
General Information What is Hubble Heritage? A monthly showcase of new and archival Hubble images. Go to the Heritage site. Back to top [ #top ]
NASA Space Observatories Gli …
Title NASA Space Observatories Glimpse Faint Afterglow of Nearby Stellar Explosion
General Information What is Hubble Heritage? A monthly showcase of new and archival Hubble images. Go to the Heritage site. Back to top [ #top ]
Hubble Snaps Baby Pictures o …
Title Hubble Snaps Baby Pictures of Jupiter's "Red Spot Jr.
Hubble Observations Confirm …
Title Hubble Observations Confirm that Planets Form from Disks Around Stars
Spitzer and Hubble Capture E …
Title Spitzer and Hubble Capture Evolving Planetary Systems
Spitzer and Hubble Capture E …
Title Spitzer and Hubble Capture Evolving Planetary Systems
Spitzer and Hubble Capture E …
Title Spitzer and Hubble Capture Evolving Planetary Systems
The Carina Nebula: Star Birt …
Title The Carina Nebula: Star Birth in the Extreme
General Information What is Hubble Heritage? A monthly showcase of new and archival Hubble images. Go to the Heritage site. In celebration of the 17th anniversary of the launch and deployment of NASA's Hubble Space Telescope, a team of astronomers is releasing one of the largest panoramic images ever taken with Hubble's cameras. READ: Junior version of this article Amazing Space Learn about this story in the Star Witness, a science newspaper available on our sister site, Amazing Space. [ http://amazing-space.stsci.edu/news/archive/2007/02/ ] It is a 50-light-year-wide view of the central region of the Carina Nebula where a maelstrom of star birth &#151, and death &#151, is taking place. This image is a mosaic of the Carina Nebula assembled from 48 frames taken with Hubble's Advanced Camera for Surveys. The Hubble images were taken in the light of neutral hydrogen during March and July 2005. Color information was added with data taken in December 2001 and March 2003 at the Cerro Tololo Inter-American Observatory in Chile. Red corresponds to sulfur, green to hydrogen, and blue to oxygen emission.
Elusive Planet Reshapes a Ri …
Title Elusive Planet Reshapes a Ring Around Neighboring Star
Hubble Finds Mysterious Disk …
Title Hubble Finds Mysterious Disk of Blue Stars Around Black Hole
Dusty Planetary Disks Around …
Title Dusty Planetary Disks Around Two Nearby Stars Resemble Our Kuiper Belt
General Information What is a News Nugget? News Nuggets are bulletins from the world of astronomy. These two bright debris disks of ice and dust appear to be the equivalent of our own solar system's Kuiper Belt, a ring of icy rocks outside the orbit of Neptune and the source of short-period comets. The disks encircle the types of stars around which there could be habitable zones and planets for life to develop. The disks seem to have a central area cleared of debris, perhaps by planets.
Clearest View Yet of Massive …
Title Clearest View Yet of Massive Star Cluster
Actually, no. This is what w …
Description Actually, no. This is what we might call a "manufactured" 3D Sun. It was produced by combining two SOHO images from its EIT 195 instrument that were taken 10.5 hours apart on October 23, 2007. Because the Sun rotates once every 27 days or so (about 13 degrees per day then), by using two images almost half day apart, we are achieving about 6 degrees of changed perspective. That is enough to produce a kind of 3D effect - but, of course, the Sun has changed some in those 10.5 hours. To get real 3D, such as the STEREO mission was able to produce for a period of time, you need images taken simultaneously from two different perspectives not too far apart. Still, having said all that, it makes for an eye-catching and interesting image. The most noticeable feature is the large and dark coronal hole that can be seen just right of and below center. It is spewing out high-speed solar wind that could cause aurora to be visible in higher latitudes on Earth several days later. The video clip fades back and forth between one 2D image and the 3D image. Note: You can learn how to create 3D images here [ http://stereo.gsfc.nasa.gov/classroom/3d.shtml ]
Actually, no. This is what w …
Description Actually, no. This is what we might call a "manufactured" 3D Sun. It was produced by combining two SOHO images from its EIT 195 instrument that were taken 10.5 hours apart on October 23, 2007. Because the Sun rotates once every 27 days or so (about 13 degrees per day then), by using two images almost half day apart, we are achieving about 6 degrees of changed perspective. That is enough to produce a kind of 3D effect - but, of course, the Sun has changed some in those 10.5 hours. To get real 3D, such as the STEREO mission was able to produce for a period of time, you need images taken simultaneously from two different perspectives not too far apart. Still, having said all that, it makes for an eye-catching and interesting image. The most noticeable feature is the large and dark coronal hole that can be seen just right of and below center. It is spewing out high-speed solar wind that could cause aurora to be visible in higher latitudes on Earth several days later. The video clip fades back and forth between one 2D image and the 3D image. Note: You can learn how to create 3D images here [ http://stereo.gsfc.nasa.gov/classroom/3d.shtml ]
Sequence of images recorded …
Description Sequence of images recorded by the LASCO C2 coronagraph showing the big coronal mass ejection of April 7, 1997 (see also EIT image eit022.gif and the special page of the April 7-9 event at http://www-istp.gsfc.nasa.gov/istp/cloud_apr97). A coronagraph is a device to observe the faint outer solar atmosphere by blocking out the brightness of the sun itself. The circle in the images shows where the sun would be if it wasn't blocked out. The first frame shows the corona just before the eruption. The first stage of the eruption is seen in the upper right-hand corner. The eruption proceeds into a "halo" event: in the fourth image one can see a brightening around the entire sun, instead of in just one direction. Material ejected in this event reached the Earth in the night of April 10-11. A significant amount of geomagnetic activity was observed in northern regions all over the world, reaching as far south as New Hampshire and Montana.
The 'Big Picture' View of th …
Title The 'Big Picture' View of the Plasmapause and Ionospheric Electron Content - April 2001
Abstract This visualization presents a wide-angle overview of the plasmapause-Earth system. Electron content data is mapped to the sphere of the Earth. As the space storm progresses, the structure of the plasmapause becomes distorted but is still constrained by the structure of the Earth's dipolar magnetic field.
Completed 2005-11-18
The 'Big Picture' View of th …
Title The 'Big Picture' View of the Plasmapause and Ionospheric Electron Content - April 2001
Abstract This visualization presents a wide-angle overview of the plasmapause-Earth system. Electron content data is mapped to the sphere of the Earth. As the space storm progresses, the structure of the plasmapause becomes distorted but is still constrained by the structure of the Earth's dipolar magnetic field.
Completed 2005-11-18
The 'Big Picture' View of th …
Title The 'Big Picture' View of the Plasmapause and Ionospheric Electron Content - April 2001
Abstract This visualization presents a wide-angle overview of the plasmapause-Earth system. Electron content data is mapped to the sphere of the Earth. As the space storm progresses, the structure of the plasmapause becomes distorted but is still constrained by the structure of the Earth's dipolar magnetic field.
Completed 2005-11-18
The 'Big Picture' View of th …
Title The 'Big Picture' View of the Plasmapause and Ionospheric Electron Content - April 2001
Abstract This visualization presents a wide-angle overview of the plasmapause-Earth system. Electron content data is mapped to the sphere of the Earth. As the space storm progresses, the structure of the plasmapause becomes distorted but is still constrained by the structure of the Earth's dipolar magnetic field.
Completed 2005-11-18
First 3-D Stereo from STEREO …
Title First 3-D Stereo from STEREO: EUVI 171 Angstroms (South Pole View)
Abstract This movie shows the south pole of the Sun from the two STEREO spacecraft using the 171 Angstrom filter in the Extreme UltraViolet Imager (EUVI). This filter reveals ionized iron (Fe+8=Fe IX, Fe+9=Fe X) which forms at temperatures above 1.3x106K, and flows along the magnetic field lines of the solar active regions. New active regions come into view as the Sun rotates.
Completed 2007-04-25
Time-varying Plasmapause and …
Title Time-varying Plasmapause and Electron data - April 2001
Abstract This is another view of the plasmapause and electron content data for the April 11, 2001 time frame (similar to ID 3312). This point of view is shifted slightly to the sunlit side of the Earth to present a better view of the plume formation.
Completed 2005-11-18
Time-varying Plasmapause and …
Title Time-varying Plasmapause and Electron data - April 2001
Abstract This is another view of the plasmapause and electron content data for the April 11, 2001 time frame (similar to ID 3312). This point of view is shifted slightly to the sunlit side of the Earth to present a better view of the plume formation.
Completed 2005-11-18
TRACE observes the X-ray fla …
Title TRACE observes the X-ray flare over AR9906
Abstract The TRACE spacecraft observes an X-ray flare over solar active region AR9906, April 21, 2002.
Completed 2002-05-29
TRACE observes the X-ray fla …
Title TRACE observes the X-ray flare over AR9906
Abstract The TRACE spacecraft observes an X-ray flare over solar active region AR9906, April 21, 2002.
Completed 2002-05-29
TRACE observes the X-ray fla …
Title TRACE observes the X-ray flare over AR9906
Abstract The TRACE spacecraft observes an X-ray flare over solar active region AR9906, April 21, 2002.
Completed 2002-05-29
TRACE observes the X-ray fla …
Title TRACE observes the X-ray flare over AR9906
Abstract The TRACE spacecraft observes an X-ray flare over solar active region AR9906, April 21, 2002.
Completed 2002-05-29
A Multi-Mission View of the …
Title A Multi-Mission View of the AR9906 Solar Flare with Instrument Labels
Abstract Here's a view of the Sun, from the point of view of a fleet of Sun-observing spacecraft - SOHO, TRACE, and RHESSI. The time scales of the data samples in this visualization range from 6 hours to as short as 12 seconds and the display rate varies throughout the movie. The region and event of interest is the solar flare over solar active region AR9906 on April 21, 2002. In this visualization, the instrument names appear in a color roughly matching the color used for the data, and black corresponds to no (current) instrument coverage.
Completed 2002-08-29
A Multi-Mission View of the …
Title A Multi-Mission View of the AR9906 Solar Flare with Instrument Labels
Abstract Here's a view of the Sun, from the point of view of a fleet of Sun-observing spacecraft - SOHO, TRACE, and RHESSI. The time scales of the data samples in this visualization range from 6 hours to as short as 12 seconds and the display rate varies throughout the movie. The region and event of interest is the solar flare over solar active region AR9906 on April 21, 2002. In this visualization, the instrument names appear in a color roughly matching the color used for the data, and black corresponds to no (current) instrument coverage.
Completed 2002-08-29
A Multi-Mission View of the …
Title A Multi-Mission View of the AR9906 Solar Flare with Instrument Labels
Abstract Here's a view of the Sun, from the point of view of a fleet of Sun-observing spacecraft - SOHO, TRACE, and RHESSI. The time scales of the data samples in this visualization range from 6 hours to as short as 12 seconds and the display rate varies throughout the movie. The region and event of interest is the solar flare over solar active region AR9906 on April 21, 2002. In this visualization, the instrument names appear in a color roughly matching the color used for the data, and black corresponds to no (current) instrument coverage.
Completed 2002-08-29
A Multi-Mission View of the …
Title A Multi-Mission View of the AR9906 Solar Flare with Instrument Labels
Abstract Here's a view of the Sun, from the point of view of a fleet of Sun-observing spacecraft - SOHO, TRACE, and RHESSI. The time scales of the data samples in this visualization range from 6 hours to as short as 12 seconds and the display rate varies throughout the movie. The region and event of interest is the solar flare over solar active region AR9906 on April 21, 2002. In this visualization, the instrument names appear in a color roughly matching the color used for the data, and black corresponds to no (current) instrument coverage.
Completed 2002-08-29
A Multi-Mission View of the …
Title A Multi-Mission View of the AR9906 Solar Flare with Instrument Labels
Abstract Here's a view of the Sun, from the point of view of a fleet of Sun-observing spacecraft - SOHO, TRACE, and RHESSI. The time scales of the data samples in this visualization range from 6 hours to as short as 12 seconds and the display rate varies throughout the movie. The region and event of interest is the solar flare over solar active region AR9906 on April 21, 2002. In this visualization, the instrument names appear in a color roughly matching the color used for the data, and black corresponds to no (current) instrument coverage.
Completed 2002-08-29
A Multi-Mission View of the …
Title A Multi-Mission View of the AR9906 Solar Flare with Instrument Labels
Abstract Here's a view of the Sun, from the point of view of a fleet of Sun-observing spacecraft - SOHO, TRACE, and RHESSI. The time scales of the data samples in this visualization range from 6 hours to as short as 12 seconds and the display rate varies throughout the movie. The region and event of interest is the solar flare over solar active region AR9906 on April 21, 2002. In this visualization, the instrument names appear in a color roughly matching the color used for the data, and black corresponds to no (current) instrument coverage.
Completed 2002-08-29
A Multi-Mission View of the …
Title A Multi-Mission View of the AR9906 Solar Flare with Instrument Labels
Abstract Here's a view of the Sun, from the point of view of a fleet of Sun-observing spacecraft - SOHO, TRACE, and RHESSI. The time scales of the data samples in this visualization range from 6 hours to as short as 12 seconds and the display rate varies throughout the movie. The region and event of interest is the solar flare over solar active region AR9906 on April 21, 2002. In this visualization, the instrument names appear in a color roughly matching the color used for the data, and black corresponds to no (current) instrument coverage.
Completed 2002-08-29
A Multi-Mission View of the …
Title A Multi-Mission View of the AR9906 Solar Flare with Instrument Labels
Abstract Here's a view of the Sun, from the point of view of a fleet of Sun-observing spacecraft - SOHO, TRACE, and RHESSI. The time scales of the data samples in this visualization range from 6 hours to as short as 12 seconds and the display rate varies throughout the movie. The region and event of interest is the solar flare over solar active region AR9906 on April 21, 2002. In this visualization, the instrument names appear in a color roughly matching the color used for the data, and black corresponds to no (current) instrument coverage.
Completed 2002-08-29
A Multi-Mission View of the …
Title A Multi-Mission View of the AR9906 Solar Flare with Instrument Labels
Abstract Here's a view of the Sun, from the point of view of a fleet of Sun-observing spacecraft - SOHO, TRACE, and RHESSI. The time scales of the data samples in this visualization range from 6 hours to as short as 12 seconds and the display rate varies throughout the movie. The region and event of interest is the solar flare over solar active region AR9906 on April 21, 2002. In this visualization, the instrument names appear in a color roughly matching the color used for the data, and black corresponds to no (current) instrument coverage.
Completed 2002-08-29
A Multi-Mission View of the …
Title A Multi-Mission View of the AR9906 Solar Flare with Instrument Labels
Abstract Here's a view of the Sun, from the point of view of a fleet of Sun-observing spacecraft - SOHO, TRACE, and RHESSI. The time scales of the data samples in this visualization range from 6 hours to as short as 12 seconds and the display rate varies throughout the movie. The region and event of interest is the solar flare over solar active region AR9906 on April 21, 2002. In this visualization, the instrument names appear in a color roughly matching the color used for the data, and black corresponds to no (current) instrument coverage.
Completed 2002-08-29
SOHO/MDI Views the Sun - 200 …
Title SOHO/MDI Views the Sun - 2001
Abstract This version projects the solar image on a flat plane.
Completed 2001-09-28
SOHO/MDI Views the Sun - 200 …
Title SOHO/MDI Views the Sun - 2001
Abstract This version projects the solar image on a flat plane.
Completed 2001-09-28
SOHO/MDI Views the Sun - 200 …
Title SOHO/MDI Views the Sun - 2001
Abstract This version projects the solar image on a flat plane.
Completed 2001-09-28
Another View of AR9906 from …
Title Another View of AR9906 from TRACE
Abstract Another view of the flare over AR9906 on April 21, 2002. This version represents the full resolution of the TRACE data. This visualization represents eight hours of observing time.
Completed 2002-06-08
Another View of AR9906 from …
Title Another View of AR9906 from TRACE
Abstract Another view of the flare over AR9906 on April 21, 2002. This version represents the full resolution of the TRACE data. This visualization represents eight hours of observing time.
Completed 2002-06-08
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