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Add Image to Favorite List 2000-03-23 Io Voyager
VG ISS - Narrow Angle
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This photo of Io, innermost of the four large Galilean satellites of Jupiter, was taken through an ultraviolet filter by the narrow angle camera of NASA's Voyager 1.
PIA02248:
Io
Full Resolution:     TIFF (323.5 kB)     JPEG (26.52 kB)
Add Image to Favorite List 2000-03-06 Io Galileo
Solid-State Imaging
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The Zal Patera region of Jupiter's volcanic moon Io is shown in this combination of high-resolution black and white images taken by NASA's Galileo spacecraft on November 25, 1999 and lower resolution color images taken by Galileo on July 3, 1999.
PIA02527:
Zal Patera, Io, in color
Full Resolution:     TIFF (2.005 MB)     JPEG (75.34 kB)
Add Image to Favorite List 2000-03-06 Io Galileo
Solid-State Imaging
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This picture of Jupiter's volcanic moon Io combines high-resolution black and white images taken by NASA's Galileo spacecraft on October 10, 1999, with lower resolution color images taken by Galileo on July 3, 1999.
PIA02526:
Ionian Mountains and Calderas, in Color
Full Resolution:     TIFF (3.203 MB)     JPEG (170.4 kB)
Add Image to Favorite List 2000-01-04 Io Voyager
VG ISS - Narrow Angle
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This picture of Io captured by NASA's Voyager 1 was taken on the morning of March 5 at a range of 75,445 kilometers.
PIA02232:
Io - High Res Limb
Full Resolution:     TIFF (292.4 kB)     JPEG (37.1 kB)
Add Image to Favorite List 2000-01-04 Io Voyager
VG ISS - Narrow Angle
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This picture of Io was taken by NASA's Voyager 1 on the morning of March 5, 1979 at a range of about 92,000 km (55,000 mi.).
PIA02231:
Io - high resolution
Full Resolution:     TIFF (407.9 kB)     JPEG (28.7 kB)
Add Image to Favorite List 1999-12-17 Io Galileo
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Like a terrestrial weather map, this map made by the photopolarimeter-radiometer onboard NASA's Galileo spacecraft shows how temperatures vary across the surface of Jupiter's moon Io. In this case temperatures are due to volcanic activity, not weather.
PIA02524:
Galileo PPR Temperature Maps of Loki in October 1999
Full Resolution:     TIFF (140.3 kB)     JPEG (61.33 kB)
Add Image to Favorite List 1999-12-17 Io Galileo
Solid-State Imaging
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This mosaic of images collected by NASA's Galileo spacecraft on Thanksgiving Day, November 25, 1999 shows a fountain of lava spewing above the surface of Jupiter's moon Io.
PIA02525:
Interpreted Lava Fountains on Io
Full Resolution:     TIFF (1.3 MB)     JPEG (124.8 kB)
Add Image to Favorite List 1999-12-17 Io Galileo
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These false-color images of Io and Jupiter were taken with the NASA Infrared Telescope Facility at Mauna Kea, Hawaii, as part of a campaign to support closeup Io observations by NASA's Galileo spacecraft.
PIA02523:
Earth-based images of the Fall 1999 Loki Eruption
Full Resolution:     TIFF (162.4 kB)     JPEG (13.14 kB)
Add Image to Favorite List 1999-12-17 Io Galileo
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This false-color infrared image of the Sunlit disk of Jupiter's moon Io was taken at the NASA Infrared Telescope Facility at Mauna Kea, Hawaii, a few hours after a November 25, 1999 close Io flyby by NASA's Galileo spacecraft.
PIA02522:
Earth-Based Observations of a Fire Fountain on Io
Full Resolution:     TIFF (58.53 kB)     JPEG (12.82 kB)
Add Image to Favorite List 1999-12-17 Io Galileo
Near Infrared Mapping Spectrometer
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A very active volcano on Jupiter's moon Io, probably composed of erupting lava fountains, was seen by NASA's Galileo spacecraft.
PIA02521:
Eruption from High Latitude Caldera Viewed by the Near-Infrared Mapping Spectrometer (NIMS)
Full Resolution:     TIFF (482.4 kB)     JPEG (46.98 kB)
Add Image to Favorite List 1999-12-17 Io Galileo
Solid-State Imaging
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This image taken by NASA's Galileo spacecraft during its close flyby of Jupiter's moon Io shows some curious mountains. The Sun is illuminating the scene from the left, and because it is setting, exaggerates the shadows cast by the mountains.
PIA02520:
Mountains on Io
Full Resolution:     TIFF (267.5 kB)     JPEG (72.92 kB)
Add Image to Favorite List 1999-12-17 Io Galileo
Solid-State Imaging
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This mosaic of images collected by NASA's Galileo spacecraft on Thanksgiving Day, November 25, 1999 shows a fountain of lava spewing above the surface of Jupiter's moon Io.
PIA02519:
Lava Fountains on Io
Full Resolution:     TIFF (139.9 kB)     JPEG (56.66 kB)
Add Image to Favorite List 1999-12-17 Io Galileo
Solid-State Imaging
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This image of Jupiter's moon Io, taken by NASA's Galileo spacecraft on November 25, 1999, shows a bright lava flow with a distinct dark channel in the middle.
PIA02518:
Bright Channelized Lava Flows on Io
Full Resolution:     TIFF (1.55 MB)     JPEG (115.7 kB)
Add Image to Favorite List 1999-12-17 Io Galileo
Solid-State Imaging
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This pair of images depicts the magic worked by JPL engineers to repair radiation damage to images taken by NASA's Galileo spacecraft camera during an October 10 close flyby of Jupiter's volcanic moon Io.
PIA02517:
Reconstruction of Scrambled Io Images
Full Resolution:     TIFF (245.3 kB)     JPEG (96.38 kB)
Add Image to Favorite List 1999-11-19 Io Galileo
Near Infrared Mapping Spectrometer
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This image is the highest-resolution thermal, or heat image, ever made of Amirani, a large volcano on Jupiter's moon Io. It was taken on Oct. 10, 1999, by NASA's Galileo spacecraft. Amirani is on the side of Io that permanently faces away from Jupiter.
PIA02516:
Galileo NIMS Observes Amirani
Full Resolution:     TIFF (274.2 kB)     JPEG (34.6 kB)
Add Image to Favorite List 1999-11-19 Io Galileo
Near Infrared Mapping Spectrometer
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This image shows the region around the Prometheus volcano on Jupiter's moon Io. It was observed by NASA's Galileo spacecraft in 1996 as it was flying away from a close approach to Io.
PIA02515:
Io's Prometheus Regions as Viewed by Galileo NIMS
Full Resolution:     TIFF (870 kB)     JPEG (76.75 kB)
Add Image to Favorite List 1999-11-19 Io Galileo
Near Infrared Mapping Spectrometer
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This image shows Loki, the most powerful volcano in the solar system, which has been constantly active on Jupiter's moon Io. NASA's Galileo spacecraft took these images during its approach to Io on October 10, 1999.
PIA02514:
Loki as viewed by Galileo NIMS
Full Resolution:     TIFF (638.9 kB)     JPEG (92.45 kB)
Add Image to Favorite List 1999-11-19 Io Galileo
Solid-State Imaging
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Unusual mountains on Jupiter's moon Io are shown in these images that were captured by NASA's Galileo spacecraft during its close Io flyby. The top four pictures show four different mountains at resolutions of about 500 meters per picture element.
PIA02513:
Collapsing Mountains on Io
Full Resolution:     TIFF (1.291 MB)     JPEG (251.9 kB)
Add Image to Favorite List 1999-11-19 Io Galileo
Solid-State Imaging
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This collage of images shows the dizzying rate of geologic activity at one of the many erupting volcanoes on Jupiter's moon Io, as viewed by NASA's Galileo spacecraft during the closest-ever Io flyby on October 10, 1999.
PIA02512:
Ongoing Geologic Activity at Prometheus Volcano, Io
Full Resolution:     TIFF (1.409 MB)     JPEG (94.2 kB)
Add Image to Favorite List 1999-11-19 Io Galileo
Solid-State Imaging
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The volcano Pele glows in the night in this close-up image of Jupiter's moon Io, obtained by NASA's Galileo spacecraft in the closest-ever Io flyby on October 10, 1999. Only surfaces hotter than 600 degrees Celsius are visible in this image.
PIA02511:
Pele's Hot Caldera Margin
Full Resolution:     TIFF (290.8 kB)     JPEG (44.06 kB)
Add Image to Favorite List 1999-11-19 Io Galileo
Solid-State Imaging
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Brightly glowing lava from the volcano Pele is seen in this image taken by NASA's Galileo spacecraft as it receded from its close flyby of Jupiter's moon Io in October, 1999.
PIA02510:
Pele's Glow
Full Resolution:     TIFF (1.391 MB)     JPEG (42.92 kB)
Add Image to Favorite List 1999-11-04 Io Galileo
Near Infrared Mapping Spectrometer
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The active volcano Prometheus on Jupiter's moon Io was imaged by NASA's Galileo spacecraft during the close flyby of Io on Oct.10, 1999. The spectrometer can detect active volcanoes on Io by measuring their heat in the near-infrared wavelengths.
PIA02509:
Galileo's Near-Infrared Mapping Spectrometer Detects Active Lava Flows at Prometheus Volcano, Io
Full Resolution:     TIFF (67.96 kB)     JPEG (35 kB)
Add Image to Favorite List 1999-11-04 Io Galileo
Solid-State Imaging
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This is a high-resolution image of part of Prometheus, an active volcano on Jupiter's volcanic moon Io. The image was taken by NASA's Galileo spacecraft on October 10, 1999, during its close flyby of Io.
PIA02508:
Galileo Discovers Caldera at Prometheus Volcano, Io
Full Resolution:     TIFF (5.342 MB)     JPEG (193.5 kB)
Add Image to Favorite List 1999-10-25 Io Galileo
Solid-State Imaging
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The highest resolution image ever of Jupiter's volcanic moon Io, (the black and white image at top), was taken by NASA's Galileo spacecraft on October 10, 1999, from an altitude of 617 kilometers (417 miles).
PIA02507:
Highest Resolution Image Ever Obtained of Io
Full Resolution:     TIFF (227.4 kB)     JPEG (51.2 kB)
Add Image to Favorite List 1999-10-14 Io Voyager
VG ISS - Narrow Angle
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Voyager 2 took this picture of Io on the evening of July 9, 1979, from a range of 1.2 million kilometers. On the limb of Io are two blue volcanic eruption plumes about 100 kilometers high.
PIA01362:
Io
Full Resolution:     TIFF (215.9 kB)     JPEG (16.02 kB)
Add Image to Favorite List 1999-10-08 Io Galileo
Solid-State Imaging
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This pair of volcanic features on Jupiter's moon Io represents the longest active lava flow known to exist in our solar system. This image, one of the highest resolution pictures ever taken of Io, was obtained by NASA s Galileo spacecraft on July 3, 1999.
PIA02506:
Amirani-Maui: Longest Known Active Lava Flow in the Solar System
Full Resolution:     TIFF (392.2 kB)     JPEG (21.24 kB)
Add Image to Favorite List 1999-10-08 Io Galileo
Solid-State Imaging
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The volcano called Prometheus, found on Jupiter's moon Io, could be called the Old Faithful of the outer solar system, because its volcanic plume has been visible every time it has been observed since 1979. Image obtained by NASA's Galileo spacecraft.
PIA02505:
Close-up of Prometheus, Io (color)
Full Resolution:     TIFF (360.9 kB)     JPEG (17.74 kB)
Add Image to Favorite List 1999-10-08 Io Galileo
Solid-State Imaging
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A volcano named Zamama on Jupiter's moon Io has recently changed in appearance as seen in this pair of images of Io acquired by NASA's Galileo spacecraft as it approached Io in preparation for a close flyby.
PIA02504:
Close-up of Zamama, Io (Color)
Full Resolution:     TIFF (948.9 kB)     JPEG (32.3 kB)
Add Image to Favorite List 1999-10-08 Io Galileo
Solid-State Imaging
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This set of four images, taken by NASA's Galileo spacecraft, shows a sequence of volcanic activity on Jupiter's moon Io over the last two years.
PIA02503:
Migrating Volcanic Plumes on Io
Full Resolution:     TIFF (122.8 kB)     JPEG (21.5 kB)
Add Image to Favorite List 1999-10-08 Io Galileo
Solid-State Imaging
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A plume of gas and particles is ejected some 100 kilometers (about 60 miles) above the surface of Jupiter's volcanic moon Io in this color image, recently taken by NASAšs Galileo spacecraft.
PIA02502:
Masubi Plume on Io
Full Resolution:     TIFF (289.4 kB)     JPEG (14 kB)
Add Image to Favorite List 1999-10-08 Io Galileo
Solid-State Imaging
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Dramatic changes have occurred at the volcanically active Pillan Patera region of Jupiter's moon Io over the past three years, as seen in this set of three images taken by NASAšs Galileo spacecraft.
PIA02501:
Changes at Pillan Patera
Full Resolution:     TIFF (1.087 MB)     JPEG (39.87 kB)
Add Image to Favorite List 1999-08-31 Io Voyager
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This photograph of Jupiter's satellite Io taken by NASA's Voyager 1 shows what appears to be a volcanic caldera that is venting gasses (the bright blue patch at left center).
PIA00021:
Volcanic Caldera on Io
Full Resolution:     TIFF (1.235 MB)     JPEG (42.41 kB)
Add Image to Favorite List 1999-08-31 Io Voyager
VG ISS - Narrow Angle
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This color picture of Io, Jupiter's innermost Galilean satellite, was taken by NASA's Voyager 1 on the morning of March 5, 1979 at a range of 128,500 kilometers (77,100 miles).
PIA00361:
Io Surface Deposits and Volcano
Full Resolution:     TIFF (1.38 MB)     JPEG (49.09 kB)
Add Image to Favorite List 1999-08-27 Io Galileo
Solid-State Imaging
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NASA's Galileo spacecraft acquired its highest resolution images of Jupiter's volcanic moon Io on July 3, 1999 during its closest pass by Io since it entered orbit around Jupiter in December 1995.
PIA02319:
Closeups of Io (false color)
Full Resolution:     TIFF (6.806 MB)     JPEG (301 kB)
Add Image to Favorite List 1999-08-27 Io Galileo
Solid-State Imaging
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NASA's Galileo spacecraft acquired its highest resolution images of Jupiter's moon Io on 3 July 1999 during its closest pass to Io since orbit insertion in late 1995.
PIA02309:
Global image of Io (false color)
Full Resolution:     TIFF (17.09 MB)     JPEG (908.3 kB)
Add Image to Favorite List 1999-08-27 Io Galileo
Solid-State Imaging
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NASA's Galileo spacecraft acquired its highest resolution images of Jupiter's moon Io on 3 July 1999 during its closest pass to Io since orbit insertion in late 1995.
PIA02308:
Global image of Io (true color)
Full Resolution:     TIFF (17.28 MB)     JPEG (789.8 kB)
Add Image to Favorite List 1999-08-13 Io Voyager
VG ISS - Narrow Angle
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This NASA Voyager 1 view of an equatorial region near longitude 300 degrees shows several large surface flows that originate in volcanic craters or calderas.
PIA02201:
Io
Full Resolution:     TIFF (490.2 kB)     JPEG (132.1 kB)
Add Image to Favorite List 1999-07-23 Io Voyager
VG ISS - Narrow Angle
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This NASA Voyager 2 picture of Io was taken in ultraviolet light on the evening of July 4, 1979, at a range of 4.7 million kilometers (2.9 million miles).
PIA01989:
Io
Full Resolution:     TIFF (17.54 kB)     JPEG (9.241 kB)
Add Image to Favorite List 1999-07-16 Io Voyager
VG ISS - Narrow Angle
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The trailing face of Jupiter's inner satellite Io is shown in this photo taken by NASA's Voyager 1 on March 3, 1979, from a distance of 1.7 million miles.
PIA01986:
Io - Jupiter's inner satellite
Full Resolution:     TIFF (95.37 kB)     JPEG (4.945 kB)
Add Image to Favorite List 1999-06-16 Io Voyager
VG ISS - Narrow Angle
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VOLCANIC EXPLOSION ON IO: NASA's Voyager 1 acquired this image of Io on March 4 at 5:30 p.m. (PST) about 11 hours before closest approach to the Jupiter moon.
PIA01971:
Volcanic Explosion on Io
Full Resolution:     TIFF (643.1 kB)     JPEG (36.06 kB)
Add Image to Favorite List 1999-05-21 Io Hubble Space Telescope
WFPC2
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Hubble Clicks Images of Io Sweeping Across Jupiter
PIA01540:
Hubble Clicks Images of Io Sweeping Across Jupiter
Full Resolution:     TIFF (6.217 MB)     JPEG (285.7 kB)
Add Image to Favorite List 1999-05-08 Io Voyager
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NASA'S Voyager 2 shows that Io's volcanos continually resurface it, so that any impact craters have disappeared.
PIA01530:
Volcanic Activity on Io
Full Resolution:     TIFF (3.3 MB)     JPEG (174.6 kB)
Add Image to Favorite List 1999-03-13 Io Voyager
VG ISS - Narrow Angle
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This picture of Io, the innermost Galilean satellite, was taken by NASA's Voyager 1 on the morning of March 5, 1979 at a range of 377,000 kilometers (226,200 miles). The smallest features visible are about 10 kilometers (6 miles) across.
PIA01514:
Io Surface Deposits and Volcanic Craters
Full Resolution:     TIFF (2.1 MB)     JPEG (70.93 kB)
Add Image to Favorite List 1999-01-18 Io Galileo
Solid-State Imaging
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These views of the key volcanic centers on Jupiter's moon, Io, merge color data with higher resolution mosaics. Images were obtained with the green, violet, and 756 micrometer filters of the Solid State Imaging (SSI) system on NASA's Galileo spacecraft.
PIA01668:
Key Volcanic Centers on Io
Full Resolution:     TIFF (884.3 kB)     JPEG (56.36 kB)
Add Image to Favorite List 1999-01-18 Io Galileo
Solid-State Imaging
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This global view of Jupiter's moon, Io, was obtained during the tenth orbit of Jupiter by NASA's Galileo spacecraft. Io, which is slightly larger than Earth's moon, is the most volcanically active body in the solar system.
PIA01667:
Io's Pele Hemisphere After Pillan Changes
Full Resolution:     TIFF (1.347 MB)     JPEG (56.68 kB)
Add Image to Favorite List 1999-01-18 Io Galileo
Solid-State Imaging
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This global mosaic shows the highest resolution Galileo images available of Jupiter's moon, Io. Images were obtained by the Solid State Imaging (SSI) system on NASA's Galileo spacecraft.
PIA01663:
Highest Resolution Mosaic of Io
Full Resolution:     TIFF (247.9 kB)     JPEG (126.2 kB)
Add Image to Favorite List 1998-12-07 Io Galileo
Solid-State Imaging
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These four views of Jupiter's moon Io clearly show airborne plumes of gas and dust from two of Io's active volcanoes, Zamama and Prometheus. The bottom row consists of enlargements of the plume areas. Images captured by NASA's Galileo spacecraft.
PIA01652:
Sequence Showing Active Volcanic Plumes on Io
Full Resolution:     TIFF (2.093 MB)     JPEG (73 kB)
Add Image to Favorite List 1998-12-05 Io Voyager
VG ISS - Narrow Angle
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This picture shows a special color reconstruction of one of the erupting volcanos on Io discovered by NASA's Voyager 1 during its encounter with Jupiter on the 4th and 5th of March, 1979.
PIA01368:
Jupiter's Moon Io
Full Resolution:     TIFF (736.2 kB)     JPEG (138.3 kB)
Add Image to Favorite List 1998-11-02 Io Voyager
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The South Polar region of Jupiter's moon Io, seen by NASA's Voyager 1 as it passed beneath in the early 1980s.
PIA01485:
South Polar Region of Io
Full Resolution:     TIFF (8.229 MB)     JPEG (257.5 kB)
Add Image to Favorite List 1998-10-13 Io Galileo
Solid-State Imaging
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This view of Jupiter's moon Io in eclipse was acquired by NASA's Galileo spacecraft while the moon was in Jupiter's shadow. Gases above the satellite's surface produced a ghostly glow that could be seen at visible wavelengths (red, green, and violet).
PIA01637:
Io's Aurorae
Full Resolution:     TIFF (638 kB)     JPEG (46.23 kB)
Add Image to Favorite List 1998-10-13 Io Galileo
Solid-State Imaging
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Views of Jupiter's moon Io in the eclipse of the large planet's shadow are color coded so blue to yellow to red represents increasing brightness. Image from NASA's Galileo spacecraft indicate that the lava at Pillan Patera exceeded 1,700 degrees kelvin.
PIA01635:
Io in Eclipse reveals High Temperature Hot Spots
Full Resolution:     TIFF (323.3 kB)     JPEG (59.78 kB)
Add Image to Favorite List 1998-09-15 Io Galileo
Solid-State Imaging
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Composite view of Amalthea and Io at the same scale. The visible part of Amalthea is about 150 kilometers across. The Amalthea and Io composites were obtained by the solid state imaging (SSI) camera on NASA's Galileo spacecraft on different orbits.
PIA01626:
Comparison of Amalthea to Io
Full Resolution:     TIFF (159.3 kB)     JPEG (30.32 kB)
Add Image to Favorite List 1998-07-02 Io Galileo
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During its 14th orbit of Jupiter in March 29, 1998, NASA's Galileo spacecraft captured an image of Jupiter's moon, Io, that has the same lighting geometry that will exist during Io's close Io flyby on October 11, 1999 (the 24th orbit).
PIA01605:
Io imaging during Galileo's 24th orbit
Full Resolution:     TIFF (512 kB)     JPEG (91.06 kB)
Add Image to Favorite List 1998-07-02 Io Galileo
Solid-State Imaging
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This is the highest resolution color picture taken so far of Jupiter's volcanic moon Io by NASA's Galileo spacecraft. The fiery satellite is seen against a backdrop of Jupiter's cloud tops, which appear blue in this false-color composite.
PIA01604:
Close-up color view of Io
Full Resolution:     TIFF (1.769 MB)     JPEG (78.57 kB)
Add Image to Favorite List 1998-06-08 Io Voyager
VG ISS - Narrow Angle
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This is a multispectral image cube of Io from NASA's Voyager 2 images, simple cylindrical projection.
PIA00401:
Io: Cylindrical Projection
Full Resolution:     TIFF (4.465 MB)     JPEG (229.2 kB)
Add Image to Favorite List 1998-06-04 Io Voyager
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Io's volcanic plains are shown in this image from NASA's Voyager 1 taken in 1998. Also visible are numerous volcanic calderas and two large mountains (Euboea Montes, just above 

center, and Haemus Montes, at lower left).
PIA00328:
Io, Showing Volcanic Plains and Mountains
Full Resolution:     TIFF (1.445 MB)     JPEG (51.48 kB)
Add Image to Favorite List 1998-06-04 Io Voyager
Imaging Science Subsystem
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This archival image mosaic from NASA's Voyager 1 shows Io's south polar region. The South Pole is near the terminator (line between daylight and night) at right center. Haemus Mons, a 10-km high (32,000 foot) mountain is at bottom.
PIA00327:
Io, the South Polar Region
Full Resolution:     TIFF (8.014 MB)     JPEG (297.8 kB)
Add Image to Favorite List 1998-06-04 Io Voyager
Imaging Science Subsystem
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Io's volcanic plains are shown in this archival image from NASA's Voyager 1, which spans an area about 1030 km (640 miles) from left to right. Numerous volcanic calderas and lava flows are visible.
PIA00324:
Volcanic Plains of Io Near Galai Patera
Full Resolution:     TIFF (2.732 MB)     JPEG (150.1 kB)
Add Image to Favorite List 1998-06-04 Io Voyager
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The eruption of Pele on Jupiter's moon Io. The volcanic plume rises 300 kilometers above the surface in an umbrella-like shape. This image is from NASA's Voyager 1.
PIA00323:
Eruption of Pele
Full Resolution:     TIFF (8.268 MB)     JPEG (268 kB)
Add Image to Favorite List 1998-06-04 Io Voyager
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Io's volcanic plains are shown in this image mosaic from NASA's Voyager 1. Also visible are numerous volcanic calderas and lava flows. Ra Patera with its multihued lava flows is below and right of the mosaic's center.
PIA00321:
Io, the Ra Patera, Mazda Catena, and Gibil Patera Area
Full Resolution:     TIFF (2.485 MB)     JPEG (92.7 kB)
Add Image to Favorite List 1998-06-04 Io Voyager
Imaging Science Subsystem
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A huge area of Io's volcanic plains is shown in this archival image mosaic from NASA's Voyager 1. Numerous volcanic calderas and lava flows are visible here. Loki Patera, an active lava lake, is the large shield-shaped black feature.
PIA00320:
Loki Patera
Full Resolution:     TIFF (3.631 MB)     JPEG (156.6 kB)
Add Image to Favorite List 1998-06-04 Io Voyager
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Io's volcanic plains are shown in NASA's Voyager 1 image mosaic which covers the area roughly from latitude 60 deg N. to latitude 60 deg S. and longitude 100-345. Numerous volcanic calderas, lava flows, and volcanic eruption plumes are visible here.
PIA00319:
Global Mercator Mosaic
Full Resolution:     TIFF (8.191 MB)     JPEG (209.7 kB)
Add Image to Favorite List 1998-06-04 Io Voyager
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NASA's Voyager 1 computer color mosaics, shown in approximately natural color and in Lambertian equal-area projections, show the Eastern (left) and Western (right) hemispheres of Io.
PIA00318:
Io Shown in Lambertian Equal Area Projection and in Approximately Natural Color
Full Resolution:     TIFF (8.241 MB)     JPEG (259.1 kB)
Add Image to Favorite List 1998-05-08 Io Galileo
Solid-State Imaging
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In this family portrait the four largest moons of Jupiter are shown to scale in increasing distance from Jupiter are (left to right) Io, Europa, Ganymede, and Callisto. This image was taken by NASA's Galileo in November, 1997.
PIA01400:
The Galilean Satellites
Full Resolution:     TIFF (2.237 MB)     JPEG (134.9 kB)
Add Image to Favorite List 1998-05-08 Io Galileo
Solid-State Imaging
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This composite includes the four largest moons of Jupiter which are known as the Galilean satellites. Shown from left to right are Io, closest to Jupiter, followed by Europa, Ganymede, and Callisto.
PIA01299:
The Galilean Satellites
Full Resolution:     TIFF (2.132 MB)     JPEG (156.4 kB)
Add Image to Favorite List 1998-03-26 Io Galileo
Near Infrared Mapping Spectrometer
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NASA's Galileo spacecraft's Near Infrared Mapping Spectrometer (NIMS) shows the distribution of volcanic hotspots on the surface of Io during the G! encounter on June 29, 1996.
PIA00835:
NIMS Observation of Hotspots on Io
Full Resolution:     TIFF (178 kB)     JPEG (74.71 kB)
Add Image to Favorite List 1998-03-26 Io Galileo
Solid-State Imaging
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The three images of Io in eclipse (top) show volcanic hot spots and airglow associated with volcanic plumes and Io's atmosphere. They were acquired by NASA's Galileo spacecraft during three separate orbits of Jupiter when the Io was in Jupiter's shadow.
PIA00739:
Eclipse Images of Io (3 views)
Full Resolution:     TIFF (1.486 MB)     JPEG (218.7 kB)
Add Image to Favorite List 1998-03-26 Io Galileo
Solid-State Imaging
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These images of Jupiter's volcanic moon, Io, show the results of a dramatic event that occurred on the fiery satellite during a five-month period (April 4-Sept 19, 1997.
PIA00744:
Arizona-sized Io Eruption
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Add Image to Favorite List 1998-03-26 Io Galileo
Near Infrared Mapping Spectrometer
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NASA's Galileo spacecraft obtained this image of half of Io's disk in darkness on Sept. 19, 1997.
PIA01226:
Two New Hot Spots on Io
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Add Image to Favorite List 1998-03-26 Io Galileo
Solid-State Imaging
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This color composite of Io was acquired by NASA's Galileo spacecraft during its sixth orbit (E6) of Jupiter as part of a sequence of images designed to monitor changes in the surface color due to volcanic activity.
PIA01223:
Changes on Io's Loki-Pele hemisphere
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Add Image to Favorite List 1998-03-26 Io Galileo
Solid-State Imaging
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The images used to create this enhanced color composite of Io were acquired by NASA's Galileo spacecraft during its seventh orbit (G7) of Jupiter. Low sun angles near the terminator offer lighting conditions which emphasize the topography on volcanic Io.
PIA00738:
Topography and Volcanoes on Io (color)
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Add Image to Favorite List 1998-03-26 Io Galileo
Near Infrared Mapping Spectrometer
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NASA's Galileo spacecraft observed Io on nearly every orbit as part of a program monitoring the level of volcanic activity on this moon. Io is the most volcanically active body in the Solar System.
PIA00899:
New Hot Spot on Io Discovered by NIMS During Orbit C9
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Add Image to Favorite List 1998-03-26 Io Galileo
Solid-State Imaging
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This color image, acquired during NASA's Galileo's ninth orbit around Jupiter, shows two volcanic plumes on Io. One plume was captured on the bright limb or edge of the moon, erupting over a caldera (volcanic depression) named Pillan Patera.
PIA00703:
Active Volcanic Plumes on Io
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Add Image to Favorite List 1998-03-26 Io Galileo
Near Infrared Mapping Spectrometer
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On Feb. 21, 1997, the Galileo spacecraft observed Io in daylight from a range of approximately 703,000 km (440,000 miles). Loki Patera, historically the most active and persistent hot spot on Io, is located on the hemisphere of Io always facing Jupiter.
PIA00856:
NIMS Observes Increased Activity at Loki Patera, Io
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Add Image to Favorite List 1998-03-26 Io Galileo
Near Infrared Mapping Spectrometer
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This is an image of Io, taken by NASA's Galileo spacecraft during the G2 encounter in September 1996. This is a dayside image of Io (on the right) against the clouds of Jupiter (the blue background).
PIA00845:
NIMS: hotspots on Io during G2 (continued)
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Add Image to Favorite List 1998-03-26 Io Galileo
Near Infrared Mapping Spectrometer
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Sulfur dioxide, normally a gas at room temperatures, is known to exist on Io's surface as a frost, condensing there from the hot gases emanating from the Io volcanoes. This image was taken in 1996 by NASA's Galileo spacecraft.
PIA00841:
Distribution of Sulfur Dioxide Frost on Io
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Add Image to Favorite List 1998-03-26 Io Galileo
Near Infrared Mapping Spectrometer
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Hotspots are seen in the vicinity of Prometheus, Volund and Marduk, all sites of volcanic plume activity during NASA's Galileo encounter in 1996.
PIA00520:
NIMS: hotspots on Io during G2
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Add Image to Favorite List 1998-03-26 Io Galileo
Near Infrared Mapping Spectrometer
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NASA's Galileo spacecraft imaged Io at high spectral resolution during the G2 encounter on Sept. 6, 1996.
PIA00836:
Hotspots on Io During the Ganymede 2 Encounter
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Add Image to Favorite List 1998-03-26 Io Galileo
Solid-State Imaging
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This color composite of Io, acquired by NASA's Galileo spacecraft during its ninth orbit (C9) of Jupiter, shows the hemisphere of Io which is centered at longitude 52 degrees. The dark feature to the lower right of the center of the disk is Kanehekili.
PIA01220:
Io's Kanehekili Hemisphere
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Add Image to Favorite List 1998-03-26 Io Galileo
Solid-State Imaging
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Thiscolor composite of Io was acquired by Galileo during its ninth orbit (C9) of Jupiter and are part of a sequence of images designed to map the topography or relief on Io and to monitor changes in the surface color due to volcanic activity.
PIA00740:
Topography of Io (color)
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Add Image to Favorite List 1998-03-26 Io Galileo
Solid-State Imaging
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 These two views of Io were acquired by NASA's Galileo spacecraft during its seventh orbit (G7) of Jupiter. The images were designed to view large features on Io at low sun angles when the lighting conditions emphasize the topography.
PIA01218:
Mountains and Plateaus on Io
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Add Image to Favorite List 1998-03-26 Io Galileo
Solid-State Imaging
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This image of Io was acquired by NASA's Galileo spacecraft during its ninth orbit (C9) of Jupiter as part of a sequence of images designed to cover Io at low illumination angles to map the landforms.
PIA01217:
Topography of Io
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Add Image to Favorite List 1998-03-06 Io Galileo
Solid-State Imaging
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These full disk views of Jupiter's volcanic moon, Io, use images which were acquired by NASA's Galileo spacecraft on Dec. 18, 1996, when Io, the spacecraft, and the sun were nearly all aligned (near zero degrees phase angle).
PIA00584:
Global View of Io in various colors
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Add Image to Favorite List 1998-02-04 Io Galileo
Solid-State Imaging
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Each time NASA's Galileo spacecraft orbits the planet Jupiter, it encounters one of the four Galilean satellites. From left to right in this mosaic, the moons shown are Io, Europa, Ganymede, and Callisto.
PIA00743:
Landscape Comparisons - Galilean Satellites
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Add Image to Favorite List 1997-12-18 Io Galileo
Solid-State Imaging
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Cutaway view of the possible internal structure of Io. The surface of the satellite is a mosaic of images obtained in 1979 by NASA's Voyager spacecraft.
PIA01129:
Interior of Io
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Add Image to Favorite List 1997-12-18 Io Galileo
Solid-State Imaging
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The varied effects of Ionian volcanism can be seen in this false color infrared composite image of Io's trailing hemisphere. Color data from Galileo's first orbit have been combined with a higher resolution clear filter picture taken on the third orbit.
PIA01112:
Pele Plume Deposit on Io
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Add Image to Favorite List 1997-12-18 Io Galileo
Solid-State Imaging
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This image of Jupiter's moon Io and its surrounding sky is shown in false color. It was taken at 5 hours 30 minutes Universal Time on Nov. 9, 1996 by the solid state imaging (CCD) system aboard NASA's Galileo spacecraft,
PIA01109:
Io's Sodium Cloud (Clear Filter)
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Add Image to Favorite List 1997-12-18 Io Galileo
Solid-State Imaging
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This image from NASA's Galileo spacecraft is of Jupiter's moon Io and its surrounding sky is shown in false color.
PIA01111:
Io's Sodium Cloud On-Chip Format (Clear and Green-Yellow Filters Superimposed)
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Add Image to Favorite List 1997-12-18 Io Galileo
Solid-State Imaging
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This picture contains two images of Jupiter's moon Io and its surrounding sky. This image was taken by NASA's Galileo spacecraft in 1996.
PIA00594:
Io's Sodium Cloud (Clear Filter and Green-Yellow Filter with Intensity Contours)
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Add Image to Favorite List 1997-12-18 Io Galileo
Solid-State Imaging
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This image from NASA's Galileo spacecraft is of Prometheus' sunlit plume and Io's illuminated crescent.
PIA01110:
Io's Sodium Cloud (Clear and Green-Yellow Filters)
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Add Image to Favorite List 1997-12-18 Io Galileo
Solid-State Imaging
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This image of Jupiter's moon Io and its surrounding sky is shown in false color. This image was taken on Nov. 9, 1996 through the green-yellow filter of the solid state imaging (CCD) system aboard NASA's Galileo spacecraft.
PIA00593:
Io's Sodium Cloud (Green-yellow Filter)
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Add Image to Favorite List 1997-12-18 Io Galileo
Solid-State Imaging
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Io, the most volcanic body in the solar system is seen in the highest resolution obtained to date [Sept.7 & Nov. 6, 1996] by NASA's Galileo spacecraft.
PIA00583:
High Resolution Global View of Io
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Add Image to Favorite List 1997-12-18 Io Galileo
Solid-State Imaging
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Mosaic of images of Io acquired through the clear filter of the Solid State Imaging (CCD) system aboard NASA's Galileo spacecraft during orbit C3, show more than half of Io's surface.
PIA01108:
Mosaic of Io
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Add Image to Favorite List 1997-12-18 Io Galileo
Solid-State Imaging
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Shown here is one of the topographic mapping images of Jupiter's moon Io (Latitude: -40 to +90 degrees, Longitude: 210-320 degrees) acquired by NASA's Galileo spacecraft, revealing a great variety of landforms.
PIA01107:
Geologic Landforms on Io (Area 5)
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Add Image to Favorite List 1997-12-18 Io Galileo
Solid-State Imaging
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Shown here is one of the topographic mapping images of Jupiter's moon Io (Latitude: -60 to 20 degrees, Longitude: 180 to 270 degrees) acquired by NASA's Galileo spacecraft, revealing a great variety of landforms.
PIA01106:
Geologic Landforms on Io (Area 4)
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Add Image to Favorite List 1997-12-18 Io Galileo
Solid-State Imaging
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Shown here is one of the topographic mapping images of Jupiter's moon Io (Latitude: +2 to +65 degrees, Longitude: 150 to 223 degrees) acquired by NASA's Galileo spacecraft, revealing a great variety of landforms.
PIA01105:
Geologic Landforms on Io (Area 3)
Full Resolution:     TIFF (517.6 kB)     JPEG (76.22 kB)
Add Image to Favorite List 1997-12-18 Io Galileo
Solid-State Imaging
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Shown here is one of the topographic mapping images of Jupiter's moon Io (Latitude: +5 to +48 degrees, Longitude: 120 to 185 degrees) acquired by NASA's Galileo spacecraft, revealing a great variety of landforms.
PIA01104:
Geologic Landforms on Io (Area 2)
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Add Image to Favorite List 1997-12-18 Io Galileo
Solid-State Imaging
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Geologic Landforms on Io (Area 1)
PIA01103:
Geologic Landforms on Io (Area 1)
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Add Image to Favorite List 1997-12-18 Io Galileo
Solid-State Imaging
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Shown here is a portion of a high-resolution image of Io (Latitude: +10 to +60 degrees, Longitude: 180 to 225 degrees) acquired by NASA's Galileo spacecraft, revealing immense lava flows and other volcanic landforms.
PIA00537:
Volcanically Active Regions on Io
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Add Image to Favorite List 1997-12-18 Io Galileo
Solid-State Imaging
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Shown here is a highest-resolution image of Io (Latitude: -60 to +20 degrees, Longitude: 150 to 230 degrees) acquired by NASA's Galileo spacecraft, revealing a great variety of landforms.
PIA00536:
Geologic Landforms on Io
Full Resolution:     TIFF (685.5 kB)     JPEG (126.1 kB)
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