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Add Image to Favorite List 1997-01-09 Io Voyager
VG ISS - Narrow Angle
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This dramatic view of Jupiter's satellite Io shows two simultaneously occurring volcanic eruptions, as seenby NASA's Voyager 1 on March 8, 1979, looking back 2.6 million miles (4.5 

million kilometers) at Io, three days after its historic encounter.
PIA00379:
Volcanic Eruptions on Io
Full Resolution:     TIFF (7.186 kB)     JPEG (2.809 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 2007-05-01 Io New Horizons
LORRI
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Io in Eclipse 2
PIA09354:
Io in Eclipse 2
Full Resolution:     TIFF (32.3 kB)     JPEG (3.46 kB)
Add Image to Favorite List 1997-11-04 Io Galileo
Solid-State Imaging
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This archival frame from an animation obtained Sept. 1996, is part of a sequence of full disk Io images taken prior to NASA's Galileo orbiter's second encounter with Ganymede.
PIA01073:
Io Plume Monitoring (frames 1-36) Animation Icon
Full Resolution:
Add Image to Favorite List 1997-11-18 Io Galileo
Solid-State Imaging
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Detail of changes around a probable vent about 650 kilometers north of Prometheus on Jupiter's moon Io as seen in images obtained by the NASA's Voyager 1 spacecraft in April 1979 (left) and NASA's Galileo spacecraft on Sept. 7th, 1996 (right).
PIA01070:
Changes on Io between Voyager 1 and Galileo's Second Orbit Around an Unnamed Vent North of Prometheus
Full Resolution:     TIFF (38.1 kB)     JPEG (3.157 kB)
Add Image to Favorite List 1997-11-18 Io Galileo
Solid-State Imaging
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Detail of changes east of Pele on Jupiter's moon Io as seen by NASA's Galileo spacecraft between June (left) and September (right) 1996.
PIA01068:
Changes east of Pele between Galileo's First Two Orbits
Full Resolution:     TIFF (64.12 kB)     JPEG (4.428 kB)
Add Image to Favorite List 1996-11-16 Io Voyager
VG ISS - Narrow Angle
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This photo of an active volcanic eruption on Jupiter's satellite Io was taken 1 hour, 52 minutes after the accompanying picture, late in the evening of March 4, 1979, by NASA's Voyager 1.
PIA00374:
Io - One of at Least Four Simultaneous Erupting Volcanic Eruptions
Full Resolution:     TIFF (25.26 kB)     JPEG (4.047 kB)
Add Image to Favorite List 2000-12-19 Io Voyager
VG ISS - Narrow Angle
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NASA's Voyager 2 observed Io on the far side of Jupiter in this set of images. This sequence of nine images was collected using the Green filter from about 1.2 million kilometers.
PIA02858:
Jupiter-shine' on Io Animation Icon
Full Resolution:
Add Image to Favorite List 2000-12-19 Io Voyager
VG ISS - Narrow Angle
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During its 1979 flyby, NASA's Voyager 2 observed Io only from a distance. However, the volcanic activity discovered by Voyager 1 months earlier was readily visible.
PIA02857:
Io Rotation Movie Animation Icon
Full Resolution:
Add Image to Favorite List 1997-11-18 Io Galileo
Solid-State Imaging
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Detail of changes on Jupiter's moon Io in the region around Volund as seen by NASA's Voyager 1 spacecraft in April 1979 (left frame) and NASA's Galileo spacecraft in September 1996 (right frame).
PIA01071:
Changes on Io around Volund between Voyager 1 and Galileo's Second Orbit
Full Resolution:     TIFF (75.86 kB)     JPEG (4.377 kB)
Add Image to Favorite List 1997-11-18 Io Galileo
Solid-State Imaging
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Detail of changes around two hotspots on Jupiter's moon Io as seen by NASA's Voyager 1 in April 1979 (left) and NASA's Galileo spacecraft on September 7th, 1996 (middle and right).
PIA01065:
Lack of Visible Change Around Active Hotspots on Io
Full Resolution:     TIFF (80.26 kB)     JPEG (5.685 kB)
Add Image to Favorite List 1997-11-18 Io Galileo
Solid-State Imaging
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Detail of changes on Jupiter's moon Io in the region around Maui and Amirani as seen by NASA's Voyager 1 spacecraft in April 1979 (left frame) and NASA's Galileo spacecraft in September 1996 (right frame).
PIA01067:
Changes on Io around Maui and Amirani between Voyager 1 and Galileo's Second Orbit
Full Resolution:     TIFF (107.1 kB)     JPEG (6.949 kB)
Add Image to Favorite List 2007-05-01 Io New Horizons
LORRI
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Io in Eclipse
PIA09353:
Io in Eclipse
Full Resolution:     TIFF (116.6 kB)     JPEG (23.11 kB)
Add Image to Favorite List 2000-05-25 Io Voyager
VG ISS - Narrow Angle
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NASA's Voyager 1 took this narrow-angle camera image on 5 March 1979 from a distance of 69,000 kilometers. The feature shown is a volcanic caldera which may be actively spewing material into space (dark gray fuzz near upper-right part of the caldera rim).
PIA02288:
Io Caldera
Full Resolution:     TIFF (75.66 kB)     JPEG (9.196 kB)
Add Image to Favorite List 2000-05-25 Io Voyager
VG ISS - Narrow Angle
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NASA's Voyager 1 took this narrow-angle camera image on 5 March 1979 from a distance of 450,000 kilometers. At this geometry, the camera looks straight down through a volcanic plume at one of Io's most active volcanos, Pele.
PIA02287:
Io Pele Plume
Full Resolution:     TIFF (103 kB)     JPEG (15.36 kB)
Add Image to Favorite List 2007-04-02 Io New Horizons
LORRI
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An Eruption on Io
PIA09244:
An Eruption on Io
Full Resolution:     TIFF (128.4 kB)     JPEG (9.155 kB)
Add Image to Favorite List 1996-11-16 Io Voyager
VG ISS - Narrow Angle
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This photo of a volcanic eruption on Jupiter's satellite Io (dark fountain-like feature near the limb) was taken March 4, 1979, about 12 hours before NASA's Voyager 1's closest approach to Jupiter.
PIA00373:
Io - Volcanic Eruption
Full Resolution:     TIFF (66.68 kB)     JPEG (11.83 kB)
Add Image to Favorite List 2007-05-01 Io New Horizons
LORRI
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New Horizons took this image of Jupiter's volcanic moon Io with its Long Range Reconnaissance Imager (LORRI) at 15:15 Universal Time on February 28, 2007, nearly 10 hours after the spacecraft's closest approach to Jupiter.
PIA09360:
A "Plumefall" on Io
Full Resolution:     TIFF (158.8 kB)     JPEG (12.02 kB)
Add Image to Favorite List 2007-04-02 Io New Horizons
MVIC
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A Burst of Color
PIA09254:
A Burst of Color
Full Resolution:     TIFF (176 kB)     JPEG (3.888 kB)
Add Image to Favorite List 2007-04-02 Io New Horizons
LORRI
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Tvashtar's Plume
PIA09248:
Tvashtar's Plume
Full Resolution:     TIFF (176.8 kB)     JPEG (13.89 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 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
Full Resolution:     TIFF (150 kB)     JPEG (30.38 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 1997-09-07 Io Galileo
Solid-State Imaging
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Two views of three areas on Jupiter's moon Io showing changes seen on June 27th, 1996 by NASA's Galileo spacecraft as
compared to views seen by the Voyager spacecraft during the 1979 flybys.
PIA00714:
Three Surface Changes on Io
Full Resolution:     TIFF (144.5 kB)     JPEG (8.796 kB)
Add Image to Favorite List 2000-03-23 Io Voyager
VG ISS - Narrow Angle
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NASA's Voyager 2 took this picture of Io July 10, 1979, from a range of 1.2 million kilometers (750,000 miles).
PIA02254:
Io - Crescent with Plumes
Full Resolution:     TIFF (99.45 kB)     JPEG (47.51 kB)
Add Image to Favorite List 2007-04-17 Io New Horizons
MVIC
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The Colors of the Night
PIA09264:
The Colors of the Night
Full Resolution:     TIFF (230.9 kB)     JPEG (6.903 kB)
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)
Full Resolution:     TIFF (77.65 kB)     JPEG (15.64 kB)
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)
Full Resolution:     TIFF (187.9 kB)     JPEG (11.39 kB)
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)
Full Resolution:     TIFF (119.1 kB)     JPEG (11.01 kB)
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
Full Resolution:     TIFF (259 kB)     JPEG (45.96 kB)
Add Image to Favorite List 2007-04-02 Io New Horizons
LORRI
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A Brilliant Plume
PIA09250:
A Brilliant Plume
Full Resolution:     TIFF (246.5 kB)     JPEG (40.15 kB)
Add Image to Favorite List 2000-05-18 Io Galileo
Solid-State Imaging
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This mosaic of images shows a portion of a long lava flow that appeared during the 17 years between flybys of Io by NASA's Voyager and Galileo spacecraft. Images are high resolution and were acquired by Galileo on October 11, 1999 during its 24th orbit.
PIA02537:
Lava Flows at Zamama, Io
Full Resolution:     TIFF (75.33 kB)     JPEG (39.4 kB)
Add Image to Favorite List 2007-05-14 Io New Horizons
LORRI
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This five-frame sequence of New Horizons images captures the giant plume from Io's Tvashtar volcano. These were snapped by the probe's Long Range Reconnaissance Imager (LORRI) as the spacecraft flew past Jupiter earlier this year.
PIA09665:
Tvashtar in Motion Animation Icon
Full Resolution:     TIFF (262.6 kB)     JPEG (21.13 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 1999-12-17 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 2001-11-27 Io Galileo
Solid-State Imaging
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A cliff slumps outward in these high-resolution views that NASA's Galileo spacecraft captured the edge of a mountain named Telegonus Mensa on Jupiter's moon Io.
PIA02597:
Slumping Cliff on Io in High Resolution
Full Resolution:     TIFF (309.9 kB)     JPEG (41.94 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 1997-11-18 Io Galileo
Solid-State Imaging
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Detail of changes around Marduk on Jupiter's moon Io as seen by NASA's Voyager 1 in 1979 (upper left) and NASA's Galileo spacecraft between June 1996 (lower left) and September 1996 (upper and lower right).
PIA01066:
Changes around Marduk Between Voyager, and Galileo's First Two Orbits
Full Resolution:     TIFF (342.4 kB)     JPEG (18.46 kB)
Add Image to Favorite List 2007-05-01 Io New Horizons
LORRI
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Variations in the appearance of the giant plume from the Tvashtar volcano on Jupiter's moon Io are seen in this composite of the best photos taken by the New Horizons Long Range Reconnaissance Imager (LORRI) during its Jupiter flyby in late February.
PIA09359:
Tvashtar Composite
Full Resolution:     TIFF (340.5 kB)     JPEG (20.64 kB)
Add Image to Favorite List 1997-01-09 Io Voyager
VG ISS - Narrow Angle
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This photo of Jupiter's satellite Io was taken by NASA's Voyager 1 about 4:30 p.m. (PST) March 2, 1979. The spacecraft was about 5 million miles (8.3 million kilometers away).
PIA00378:
Io At 5 Million Miles
Full Resolution:     TIFF (304.1 kB)     JPEG (34.45 kB)
Add Image to Favorite List 2000-05-18 Io Galileo
Solid-State Imaging
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NASA's Galileo spacecraft acquired the images in this mosaic of Hi-iaka Patera (the irregularly shaped, dark depression at the center of the image) and two nearby mountains on November 25, 1999 during its 25th orbit.
PIA02540:
Rifting at Hi'iaka Patera, Io?
Full Resolution:     TIFF (156.2 kB)     JPEG (61.54 kB)
Add Image to Favorite List 2000-05-31 Io Galileo
Near Infrared Mapping Spectrometer
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This image shows the Chaac region, on Jupiter's moon Io, viewed by two instruments on NASA's spacecraft Galileo during the flyby on February 22, 2000. On the left is an image taken by Galileo's onboard camera.
PIA02559:
Sulphur Dioxide on the Chaac Region of Io
Full Resolution:     TIFF (145.7 kB)     JPEG (35.13 kB)
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
Full Resolution:     TIFF (327 kB)     JPEG (14.68 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)
Full Resolution:     TIFF (391.5 kB)     JPEG (52.41 kB)
Add Image to Favorite List 1997-11-18 Io Galileo
Solid-State Imaging
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Six views of the volcanic plume named Prometheus, as seen against Io's disk and near the bright limb (edge) of the satellite by NASA's Galileo spacecraft during its second (G2) orbit of Jupiter.
PIA01069:
Active Volcanic Eruptions on Io
Full Resolution:     TIFF (164.3 kB)     JPEG (20.91 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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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 2002-12-06 Io Galileo
Solid-State Imaging
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NASA's Galileo spacecraft captured this dramatic image of mountains on Io. The Sun was low in the sky. A low scarp runs from the upper left toward the center of the image. The jagged ridge is Mongibello Mons.
PIA03886:
Mountains on Io at Sunset
Full Resolution:     TIFF (399.8 kB)     JPEG (51.89 kB)
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)
Full Resolution:     TIFF (36.95 kB)     JPEG (68.03 kB)
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)
Full Resolution:     TIFF (94.75 kB)     JPEG (22.06 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 2000-05-31 Io Galileo
Solid-State Imaging
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This image, acquired by NASA's Galileo spacecraft on February 22, 2000, is the highest resolution image ever taken of Io. The resolution is 5.2 meters (18 feet) per picture element.
PIA02556:
Highest-Resolution Picture of Io
Full Resolution:     TIFF (471.2 kB)     JPEG (105.6 kB)
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)
Full Resolution:     TIFF (506.9 kB)     JPEG (75.32 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: +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 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 2000-05-18 Io Galileo
Solid-State Imaging
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These images illustrate just how quickly the surface of Io is changing. The image on the left shows lava flows from the volcano Prometheus as seen by NASA's Galileo spacecraft on October 11, 1999 on its 24th orbit (I24).
PIA02538:
Changes Observed in Just 4.5 Months at Prometheus, Io
Full Resolution:     TIFF (162.1 kB)     JPEG (69.06 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: -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)
Full Resolution:     TIFF (519.6 kB)     JPEG (78.22 kB)
Add Image to Favorite List 2000-05-31 Io Galileo
Solid-State Imaging
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The margin of the lava flow field associated with the Prometheus volcanic plume on Jupiter's moon Io is seen in this image, acquired by NASA's Galileo spacecraft on February 22, 2000. The image has a resolution of 12 meters (39 feet) per picture element.
PIA02557:
Lava Flows and Ridged Plains at Prometheus, Io
Full Resolution:     TIFF (460.9 kB)     JPEG (76.71 kB)
Add Image to Favorite List 2001-10-04 Io Galileo
Solid-State Imaging
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Backlit views show a giant volcanic plume as a bulge on the crescent edge of Jupiter's moon Io, and more fully lit views reveal rings where sulfur-rich plume material has fallen back to the ground, in images captured by NASA's Galileo spacecraft.
PIA02592:
Northern Plume and Plume Deposits on Io
Full Resolution:     TIFF (297.1 kB)     JPEG (27.59 kB)
Add Image to Favorite List 2008-02-28 Io New Horizons
MVIC
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This New Horizons image of Jupiter's volcanic moon Io was taken at 13:05 Universal Time during the spacecraft's Jupiter flyby on February 28, 2007. It shows the reddish color of the deposits from the giant volcanic eruption at the volcano Tvashtar.
PIA10249:
Seeing Red
Full Resolution:     TIFF (540.8 kB)     JPEG (8.52 kB)
Add Image to Favorite List 2007-05-01 Io New Horizons
LORRI
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Tvashtar Movie
PIA09357:
Tvashtar Movie Animation Icon
Full Resolution:     TIFF (183.9 kB)     JPEG (7.658 kB)
Add Image to Favorite List 2000-05-25 Io Voyager
VG ISS - Narrow Angle
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This picture of Io, Jupiter's innermost Galilean satellite, was taken by NASA's Voyager 1 on the morning of March 5, 1979, during the closest approach to this satellite.
PIA02280:
Io
Full Resolution:     TIFF (591.1 kB)     JPEG (155.9 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 2000-05-18 Io Galileo
Solid-State Imaging
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NASA's Galileo spacecraft observed this volcano, Emakong Patera, a large, dark caldera from which numerous bright flows extend out in all directions. Unlike many of the other volcanoes on Io, high-temperature material has never been observed at Emakong.
PIA02539:
Bright Lava Flows at Emakong Patera, Io
Full Resolution:     TIFF (247.5 kB)     JPEG (105.2 kB)
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)
Full Resolution:     TIFF (550 kB)     JPEG (26.36 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 2001-12-10 Io Galileo
Near Infrared Mapping Spectrometer
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In August 2001, NASA's Galileo spacecraft has returned imagery of a hot spot on Jupiter's moon Io that was the source of a towering plume indicating a sulfur-dioxide concentration that may have been fallout from the plume.
PIA03602:
A New Hot Spot on Northern Io
Full Resolution:     TIFF (301.3 kB)     JPEG (25.83 kB)
Add Image to Favorite List 2000-10-26 Io Galileo
Solid-State Imaging
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A hot, active volcanic crater named Camaxtli Patera (large feature to the right) is shown in this image of Jupiter's moon Io taken by NASA's Galileo spacecraft on February 22, 2000.
PIA02563:
Camaxtli Patera, An Active Volcanic Center on Io
Full Resolution:     TIFF (638.4 kB)     JPEG (169.6 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: -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)
Full Resolution:     TIFF (660.8 kB)     JPEG (105.9 kB)
Add Image to Favorite List 1997-09-07 Io Galileo
Solid-State Imaging
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These frames detail the changes around Pele on Jupiter's moon Io, as seen by NASA's Voyager 1 (left), Voyager 2 (middle), and Galileo (right). The Voyager frames were taken in 1979, the Galileo view was obtained in June, 1996.
PIA00717:
Pele Comparisons Since 1979
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Add Image to Favorite List 2014-08-04 Io Gemini North Telescope
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This Aug. 29, 2013, outburst on Io was among the largest ever observed on the most volcanically active body in the solar system. The infrared was image taken by Gemini North telescope.
PIA18657:
Bright Outburst on Io
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Add Image to Favorite List 2000-05-31 Io Galileo
Solid-State Imaging
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This stereo image of Jupiter's moon Io shows the topography of a region on Io that includes the Zal Patera feature and a mountain or plateau that borders it to the west. It was created by combining two different views taken by NASA's Galileo spacecraft.
PIA02553:
Stereo Image of Zal Patera and Neighboring Mountain, Io
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Add Image to Favorite List 2000-03-23 Io Voyager
VG ISS - Narrow Angle
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This image was acquired by NASA's Voyager 1 as it approached close passage by the south pole of Io, the innermost of the four large Galilean satellites.
PIA02249:
Io - South Pole
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Add Image to Favorite List 2000-03-23 Io Voyager
VG ISS - Narrow Angle
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This picture of part of the southern hemisphere of Io was taken by NASA's Voyager 1 at a range of 74,675 km and shows an area at the terminator, very close to the edge of the disk as viewed from the spacecraft.
PIA02250:
Io - Southern Hemisphere
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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
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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
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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
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Add Image to Favorite List 1996-11-16 Io Voyager
VG ISS - Narrow Angle
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The detailed structure near the volcano Loki is like nothing seen elsewhere on Io. When NASA's Voyager 1 took this picture, the main eruptive activity came from the lower left of the dark linear feature (perhaps a rift) in the center.
PIA00375:
Io - Volcano Loki and Loki Patera
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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
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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
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Add Image to Favorite List 2002-05-28 Io Galileo
Solid-State Imaging
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Light from the setting Sun falls across the Loki volcanic region on Jupiter's moon Io in this image taken by NASA's Galileo spacecraft on Oct. 16, 2001. The image was taken to examine the relative depths and heights of features in the region.
PIA03530:
Galileo's Best View of Loki Volcano on Io
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Add Image to Favorite List 2000-10-26 Io Galileo
Solid-State Imaging
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This high-resolution mosaic of images taken by NASA's Galileo spacecraft shows lava flows, bright streaks, and ridged plains at the northern margin of the lava flow field at the volcanic center Prometheus on Jupiter's moon Io.
PIA02568:
Galileo Takes a Close-up Look at Prometheus
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Add Image to Favorite List 2000-05-31 Io Galileo
Solid-State Imaging
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Detail of one of the calderas, or collapsed volcanic craters, on Jupiter's moon Io, is seen in these images acquired on February 22, 2000by NASA's Galileo spacecraft. Taken from a distance of 700 to 800 kilometers (roughly 400 to 500 miles).
PIA02551:
Snapshots of Chaac: Io's Calderas Up Close
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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
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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
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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
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Add Image to Favorite List 2001-05-31 Io Cassini-Huygens
Imaging Science Subsystem
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During an eclipse of Jupiter's moon Io on January 1, 2001, NASA's Cassini spacecraft recorded glows from auroras and volcanoes on Io.
PIA03450:
Io Color Eclipse Movie Animation Icon
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Add Image to Favorite List 2001-11-27 Io Galileo
Near Infrared Mapping Spectrometer
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High temperatures observed by NASA's Galileo spacecraft along the western edge of the Loki volcano on Jupiter's moon Io may indicate freshly exposed material at the shore of a lava lake during an Oct. 16, 2001 flyby of Io.
PIA02595:
Io's Loki in Infrared: Hot Edge
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Add Image to Favorite List 2001-12-10 Io Galileo
Near Infrared Mapping Spectrometer
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Tupan Caldera, a volcanic crater on Jupiter's moon Io, has a relatively cool area, possibly an island, in its center, as indicated by infrared imagery from NASA's Galileo spacecraft during an Oct. 16, 2001 flyby.
PIA03601:
Io's Tupan Caldera in Infrared
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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 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
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Add Image to Favorite List 2000-05-31 Io Galileo
Solid-State Imaging
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This mosaic of images taken by NASA's Galileo spacecraft on February 22, 2000 shows three mountains and two lava-filled depressions in the Shamshu region of Jupiter's moon Io. The dark oval feature is a depression that has been resurfaced by lava flows.
PIA02555:
Shamshu Mons and Patera, Io
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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
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Add Image to Favorite List 2001-11-27 Io Galileo
Near Infrared Mapping Spectrometer
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New and older lava flows clustered in the Tvashtar region of Jupiter's moon Io appeared as hot spots in a temperature map from NASA's Galileo spacecraft in 1999.
PIA02594:
Io's Tvashtar Area in Infrared: Multiple Lava Flows
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Add Image to Favorite List 2000-05-18 Io Galileo
Solid-State Imaging
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This very high resolution mosaic shows the complex collection of lava flows, pits, domes, and possibly rafted plates of lava on Io. The images were taken by NASA's Galileo spacecraft on October 11, 1999 during its 24th orbit.
PIA02536:
1997 Lava Flows Near Pillan Patera, Io
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Add Image to Favorite List 2000-05-18 Io Galileo
Near Infrared Mapping Spectrometer
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The Culann Patera volcano on Jupiter's moon Io was observed by the near-infrared mapping spectrometer instrument onboard NASA's Galileo spacecraft during its Io flyby on Nov. 25, 1999.
PIA02544:
Culann Patera/NIMS
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Add Image to Favorite List 2002-12-06 Io Galileo
Solid-State Imaging
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An infrared thermal map and a visible-light image from NASA's Galileo spacecraft show the likelihood of an active lava lake at a volcanic feature called Gish Bar on Jupiter's moon Io.
PIA03888:
Io's Gish Bar Volcanic Region in Infrared
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Add Image to Favorite List 2002-05-28 Io Galileo
Solid-State Imaging
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This image taken by NASA's Galileo spacecraft on Oct. 16, 2001, near the equator of Jupiter's moon Io shows the contrast in volcanism styles found on Io. The central feature is a large patera, or volcanic depression, almost 100 kilometers (60 miles) long.
PIA03532:
Volcanic Depression and Shield Volcano, Io
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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)
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Add Image to Favorite List 2001-12-10 Io Galileo
Solid-State Imaging
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Dramatic shadows across a mountainous landscape on Jupiter's moon Io reveal details of the topography around a peak named Tohil Mons in this mosaic created from images taken by NASA's Galileo spacecraft in October 2001.
PIA03600:
Tall Mountain, Tohil Mons, on Io
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