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Addition Date TargetSort Ascending Mission Instrument Size
Add Image to Favorite List 2000-05-31 Io Galileo
Near Infrared Mapping Spectrometer
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Pele, one of Io's best-known volcanoes, was observed by NASA's Galileo spacecraft, during the flyby of Jupiter's moon Io on February 22, 2000.
PIA02560:
Temperature Map of Pele, Io
Full Resolution:     TIFF (1.376 MB)     JPEG (57.62 kB)
Add Image to Favorite List 2000-10-26 Io Galileo
Solid-State Imaging
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This mosaic of images acquired by NASA's Galileo spacecraft on February 22, 2000, shows the highest resolution view ever obtained of the surface of Jupiter's volcanic moon Io, 5 to 6 meters (16 to 20 feet) per picture element.
PIA02562:
Very High Resolution View of Io's Surface
Full Resolution:     TIFF (292 kB)     JPEG (137.4 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 2000-10-26 Io Galileo
Solid-State Imaging
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This composite of images, all acquired by NASA's Galileo spacecraft, contains three views at three different image resolutions of the volcano Prometheus on Jupiter's moon Io. The upper mosaic consists of eight high-resolution frames.
PIA02564:
Io's Prometheus Volcano at Various Resolutions
Full Resolution:     TIFF (739.5 kB)     JPEG (93.19 kB)
Add Image to Favorite List 2000-10-26 Io Galileo
Solid-State Imaging
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Prometheus is the 'Old Faithful' of the many volcanoes on Jupiter's moon Io. A broad, umbrella-shaped plume of gas and dust has been spotted above Prometheus by NASA's Voyager and Galileo spacecraft every time the viewing conditions have been favorable.
PIA02565:
Sources of Volcanic Plumes Near Prometheus
Full Resolution:     TIFF (1.988 MB)     JPEG (98.6 kB)
Add Image to Favorite List 2000-10-26 Io Galileo
Solid-State Imaging
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Most of the 12 images in this mosaic were taken on February 22, 2000, by NASA's Galileo spacecraft. It has been merged with lower-resolution color data acquired by Galileo during the summer of 1999.
PIA02566:
Io's Chain of Craters
Full Resolution:     TIFF (1.389 MB)     JPEG (93.06 kB)
Add Image to Favorite List 2000-10-26 Io Galileo
Solid-State Imaging
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This mosaic combines images collected in February 2000 and the summer of 1999 by NASA's Galileo spacecraft to highlight new details of the longest active lava flow known in the solar system.
PIA02567:
Giant Lava Flow on Io, in Color
Full Resolution:     TIFF (1.187 MB)     JPEG (44.4 kB)
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
Full Resolution:     TIFF (209.3 kB)     JPEG (67.37 kB)
Add Image to Favorite List 2001-02-26 Io Galileo
Solid-State Imaging
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This pair of images taken by NASA's Galileo spacecraft captures a dynamic eruption at Tvashtar Catena, a chain of volcanic bowls on Jupiter's moon Io. They show a change in the location of hot lava over a period of a few months in 1999 and early 2000.
PIA02584:
Eruption at Tvashtar Catena on Io
Full Resolution:     TIFF (1.901 MB)     JPEG (114.5 kB)
Add Image to Favorite List 2001-02-23 Io Galileo
Solid-State Imaging
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These images from NASA's Galileo spacecraft show changes in the largest active field lava flows in the solar system, the Amirani lava flow on Jupiter's moon Io. Scientists have identified 23 distinct new flows by comparing the two images.
PIA02585:
Amirani's Big Lava Flow on Io
Full Resolution:     TIFF (12.55 MB)     JPEG (619.1 kB)
Add Image to Favorite List 2001-02-23 Io Galileo
Solid-State Imaging
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Images taken at different times and from different positions by NASA's Galileo spacecraft provide information about the three-dimensional structure of a large mountain named Tohil Mons on Jupiter's moon Io.
PIA02586:
Tohil Mons, Io
Full Resolution:     TIFF (5.223 MB)     JPEG (602.5 kB)
Add Image to Favorite List 2001-03-29 Io Cassini-Huygens
Galileo
Solid-State Imaging
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Two tall volcanic plumes and the rings of red material they have deposited onto surrounding surface areas appear in images taken of Jupiter's moon Io by NASA's Galileo and Cassini spacecraft in late December 2000 and early January 2001.
PIA02588:
Galileo and Cassini Image Two Giant Plumes on Io
Full Resolution:     TIFF (1.374 MB)     JPEG (96.56 kB)
Add Image to Favorite List 2001-06-22 Io Galileo
Photopolarimeter-Radiometer
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Powerful volcanoes and the previous day's sunshine warm the nighttime surface of Jupiter's moon Io, as seen in this image from NASA's Galileo spacecraft. The left-hand frame shows the best view that Galileo has yet provided of Io's nighttime temperatures.
PIA02589:
Io's Nighttime Heat
Full Resolution:     TIFF (1.384 MB)     JPEG (51.07 kB)
Add Image to Favorite List 2001-10-04 Io Galileo
Near Infrared Mapping Spectrometer
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Volcanic hot spots, including a bright one never seen before, pepper an infrared color-coded image (left) of Jupiter's moon Io, taken by NASA's Galileo spacecraft on Aug. 6, 2001.
PIA02591:
Hot Spots on Io
Full Resolution:     TIFF (806.2 kB)     JPEG (73.93 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 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
Full Resolution:     TIFF (441.1 kB)     JPEG (31.68 kB)
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
Full Resolution:     TIFF (94.45 kB)     JPEG (34.11 kB)
Add Image to Favorite List 2001-11-27 Io Galileo
Solid-State Imaging
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In this view from NASA's Galileo spacecraft in 2001, the Pele hot spot on Jupiter's moon Io shows a complex pattern of areas glowing in the dark, including areas likely to be fresh overturning of a lava lake's crust.
PIA02596:
Io's Pele Glowing in the Dark
Full Resolution:     TIFF (471.9 kB)     JPEG (98.62 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 2001-12-10 Io Galileo
Solid-State Imaging
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Clues about how lava spreads great distances on Jupiter's volcanic moon Io come from high-resolution views taken by NASA's Galileo spacecraft of a lava channel flowing out of Emakong Patera near Io's equator.
PIA02598:
Lava Channel at Io's Emakong Patera
Full Resolution:     TIFF (12.18 MB)     JPEG (1.129 MB)
Add Image to Favorite List 2001-12-10 Io Galileo
Solid-State Imaging
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Wonderful colors in a volcanic crater named Tupan Patera on Jupiter's moon Io, as seen in this image from NASA's Galileo spacecraft, show varied results of lava interacting with sulfur-rich materials.
PIA02599:
Colorful Tupan Patera, Io
Full Resolution:     TIFF (1.55 MB)     JPEG (68.25 kB)
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 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 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
Full Resolution:
Add Image to Favorite List 2002-05-28 Io Galileo
Solid-State Imaging
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Scientists pointed NASA's Galileo spacecraft camera at the Tohil region of Jupiter's moon Io to investigate the curious relationship between Io's mountains and its volcanoes.
PIA03527:
Detailed View of Mountain and Craters at Tohil, Io
Full Resolution:     TIFF (227.7 kB)     JPEG (98.12 kB)
Add Image to Favorite List 2002-05-28 Io Galileo
Solid-State Imaging
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These images of an area called Telegonus Mensa on Jupiter's moon Io, taken by NASA's Galileo spacecraft on Oct. 16, 2001, reveal a complex interplay of geologic processes.
PIA03528:
Collapsing Cliff at Telegonus Mensa, Io
Full Resolution:     TIFF (301.6 kB)     JPEG (105 kB)
Add Image to Favorite List 2002-05-28 Io Galileo
Solid-State Imaging
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This mosaic of Tvashtar Catena on Jupiter's moon Io, taken by NASA's Galileo spacecraft on Oct. 16, 2001, completes a series of views depicting changes in the region over a period of nearly two years. A catena is a chain of volcanic craters.
PIA03529:
Galileo's Last View of Tvashtar, Io
Full Resolution:     TIFF (381.9 kB)     JPEG (149.2 kB)
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
Full Resolution:     TIFF (477.5 kB)     JPEG (89.71 kB)
Add Image to Favorite List 2002-05-28 Io Galileo
Solid-State Imaging
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The source area of what had been a towering volcanic plume two months earlier lies in the far-right frame of this mosaic of images taken of Jupiter's moon Io by NASA's Galileo spacecraft on Oct. 16, 2001.
PIA03531:
New plume vent near Zamama, Io
Full Resolution:     TIFF (197.7 kB)     JPEG (71.94 kB)
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
Full Resolution:     TIFF (885.6 kB)     JPEG (142.7 kB)
Add Image to Favorite List 2002-05-28 Io Galileo
Near Infrared Mapping Spectrometer
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The Amirani lava flow on Jupiter's moon Io appears to be made up of many individual flows; the newest flows are the brightest spots in this infrared image from NASA's Galileo spacecraft.
PIA03533:
Amirani Lava Flow on Io
Full Resolution:     TIFF (606.9 kB)     JPEG (34.96 kB)
Add Image to Favorite List 2002-05-28 Io Galileo
Near Infrared Mapping Spectrometer
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Nine previously unknown volcanoes have been discovered from this infrared image of Jupiter's moon Io, acquired by NASA's Galileo spacecraft on Oct. 16, 2001.
PIA03534:
Io in Infrared with Giant Plume's New Hot Spot
Full Resolution:     TIFF (623.6 kB)     JPEG (59.13 kB)
Add Image to Favorite List 2002-05-28 Io Galileo
Near Infrared Mapping Spectrometer
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Hot eruption sites scattered across Jupiter's moon Io stand out dramatically in an infrared image taken Oct. 13, 2001, by NASA's Galileo spacecraft as it sped past this most volcanically active of all known worlds.
PIA03535:
Io in Infrared, Night and Day
Full Resolution:     TIFF (312.2 kB)     JPEG (36.39 kB)
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
Full Resolution:     TIFF (687.7 kB)     JPEG (120.4 kB)
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
Full Resolution:     TIFF (501.9 kB)     JPEG (36.29 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 2001-12-10 Io Galileo
Photopolarimeter-Radiometer
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Nighttime temperatures in the southern hemisphere of Jupiter's moon Io, mapped here with data from NASA's Galileo spacecraft, give hints about the textures of surface materials, as well as the locations of volcanic hot spots.
PIA03603:
Nighttime Temperatures on Southern Io
Full Resolution:     TIFF (2.642 MB)     JPEG (344.3 kB)
Add Image to Favorite List 2002-12-06 Io Galileo
Solid-State Imaging
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This image taken by NASA's Galileo spacecraft reveals fresh lava in a wide pit named Gish Bar Patera on Jupiter's moon Io. The patera, or depression, is quite large: 106.3 kilometers (66 miles) by 115.0 kilometers (71 miles).
PIA03884:
Recent Eruption at Gish Bar Patera on Io
Full Resolution:     TIFF (985.7 kB)     JPEG (145.8 kB)
Add Image to Favorite List 2002-12-06 Io Galileo
Solid-State Imaging
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Repeated flybys of Io by NASA's Galileo spacecraft have allowed scientists to develop an understanding of Io's Tohil-Culann region of interconnected volcanoes and mountains.
PIA03885:
Io's Culann-Tohil Region in Color
Full Resolution:     TIFF (14.78 MB)     JPEG (594.4 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 2002-12-06 Io Galileo
Solid-State Imaging
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A field of bright lava flows next to a shield volcano could be a source of recent sulfur volcanism on Io, as detected by instruments aboard NASA's Galileo spacecraft.
PIA03887:
Potential Source of Sulfur Flow on Io
Full Resolution:     TIFF (22.3 MB)     JPEG (947.9 kB)
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
Full Resolution:     TIFF (140.8 kB)     JPEG (24.83 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 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 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 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 Galileo
Voyager
Solid-State Imaging
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This basemap of Jupiter's moon Io was produced by combining the best images from both NASA's Voyager 1 and Galileo Missions.
PIA09257:
Io in Motion Animation Icon
Full Resolution:     TIFF (125.1 MB)     JPEG (3.431 MB)
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 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 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 2007-05-01 Io New Horizons
LORRI
Solid-State Imaging
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Io Surface Changes
PIA09355:
Io Surface Changes
Full Resolution:     TIFF (18.23 MB)     JPEG (261.5 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 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 2007-05-01 Io New Horizons
LEISA
LORRI
MVIC
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This montage demonstrates New Horizons' ability to observe the same target in complementary ways using its diverse suite of instruments.
PIA09358:
Io Through Different 'Eyes'
Full Resolution:     TIFF (18.23 MB)     JPEG (289.4 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 2007-05-14 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 2007-10-09 Io New Horizons
LEISA
LORRI
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A global map of Jupiter's moon Io derived from eight images taken by the Long Range Reconnaissance Imager (LORRI) on the New Horizons spacecraft, as it passed Jupiter on its way to Pluto in late February 2007.
PIA10099:
Changes on Io
Full Resolution:     TIFF (2.028 MB)     JPEG (81.55 kB)
Add Image to Favorite List 2007-10-09 Io New Horizons
LEISA
LORRI
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New Horizons took this montage of images of Jupiter's volcanic moon Io, glowing in the dark of Jupiter's shadow, as the Pluto-bound spacecraft sped through the Jupiter system on Feb. 27, 2007.
PIA10100:
Io Eclipse Montage
Full Resolution:     TIFF (1.671 MB)     JPEG (106.4 kB)
Add Image to Favorite List 2007-10-09 Io New Horizons
LORRI
Ultraviolet Light
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The Tvashtar plume on Io, seen by the Hubble Space Telescope (HST) and by New Horizons.
PIA10101:
Tvashtar Montage
Full Resolution:     TIFF (1.09 MB)     JPEG (63.22 kB)
Add Image to Favorite List 2007-10-09 Io New Horizons
LEISA
LORRI
MVIC
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This is a montage of New Horizons images of Jupiter and its volcanic moon Io, taken during the spacecraft's Jupiter flyby in early 2007.
PIA10102:
Jupiter-Io Montage
Full Resolution:     TIFF (29.19 MB)     JPEG (232.7 kB)
Add Image to Favorite List 2007-10-16 Io New Horizons
LEISA
MVIC
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This beautiful image of the crescents of volcanic Io and more sedate Europa is a combination of two New Horizons images taken March 2, 2007, about two days after New Horizons made its closest approach to Jupiter.
PIA10103:
Io and Europa Meet Again
Full Resolution:     TIFF (1.074 MB)     JPEG (9.716 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 2011-05-12 Io Galileo
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This graphic shows the internal structure of Jupiter's moon Io as revealed by data from NASA's Galileo spacecraft. Io is bathed in magnetic field lines (shown in blue) that connect the north polar region of Jupiter to the planet's south polar region.
PIA14116:
Io's "Sounding Signal" Animation Icon
Full Resolution:     TIFF (8.26 MB)     JPEG (320.2 kB)
Add Image to Favorite List 2013-04-04 Io 963x913x3
This map shows predicted heat flow at the surface of Jupiter's moon Io from two tidal-heating models. Red indicates areas where more heat is expected; blue where less heat is expected.
PIA16941:
Io Predicted Heat Flow Map
Full Resolution:     TIFF (2.639 MB)     JPEG (126.6 kB)
Add Image to Favorite List 1996-01-02 Io Galileo
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Artist's rendering of NASA's Galileo spacecraft flying past Jupiter's moon Io. Galileo made multiple close approaches to the volcanically active moon during its time at Jupiter.
PIA18176:
Galileo Over Io (Artist's Concept)
Full Resolution:     TIFF (21.91 MB)     JPEG (597.6 kB)
Add Image to Favorite List 2014-08-04 Io Gemini North Telescope
W. M. Keck Observatory
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These images show Jupiter's moon Io obtained at different infrared wavelengths with the W. M. Keck Observatory's 10-meter Keck II telescope on Aug. 15, 2013 (a-c), and the Gemini North telescope on Aug. 29, 2013 (d).
PIA18656:
Eruptions on Io
Full Resolution:     TIFF (2.431 MB)     JPEG (61.14 kB)
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
Full Resolution:     TIFF (624.1 kB)     JPEG (9.812 kB)
Add Image to Favorite List 2018-07-13 Io Juno
JIRAM
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This infrared image of the southern hemisphere of Jupiter's moon Io was derived from data collected by the Jovian Infrared Auroral Mapper (JIRAM) instrument aboard NASA's Juno spacecraft on Dec. 16, 2017.
PIA22599:
Jupiter Moon Io in Infrared Animation Icon
Full Resolution:     TIFF (3.783 MB)     JPEG (170.1 kB)
Add Image to Favorite List 2018-07-13 Io Juno
JIRAM
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This annotated image highlights the location of the new heat source in the southern hemisphere of the Jupiter moon Io derived from data collected by the Jovian Infrared Auroral Mapper (JIRAM) instrument aboard NASA's Juno spacecraft on Dec. 16, 2017.
PIA22600:
Io's New Southern Hemisphere Hotspot
Full Resolution:     TIFF (3.787 MB)     JPEG (180.8 kB)
Add Image to Favorite List 2018-07-13 Io Juno
JIRAM
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This annotated image highlights the location of the new heat source close to the south pole of Io. The image was generated from data collected on Dec. 16, 2017, by the JIRAM instrument aboard NASA's Juno NASA's Juno spacecraft on Dec. 16, 2017.
PIA22601:
Location of Io's New Hotspot
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Add Image to Favorite List 2022-12-14 Io Juno
JIRAM
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The volcano-laced surface of Jupiter's moon Io was captured in infrared by the Juno spacecraft's Jovian Infrared Auroral Mapper (JIRAM) imager on July 5, 2022.
PIA25698:
Jupiter's Moon Io Seen in Infrared Light
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Add Image to Favorite List 2023-05-15 Io Juno
JunoCam
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This JunoCam image of the Jovian moon Io was collected during Juno's flyby of the moon on March 1, 2023. At the time of closest approach, Juno was about 32,000 miles (51,500 kilometers) away from Io.
PIA25885:
Juno Getting Closer to Jovian Moon Io
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Add Image to Favorite List 2023-05-15 Io Juno
JIRAM
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These infrared views of volcanic activity of Jupiter's moon Io were collected by the JIRAM (Jovian Infrared Auroral Mapper) instrument aboard NASA's Juno spacecraft during a flyby of the moon on Oct. 16, 2021.
PIA25886:
4 Looks at Io Volcanoes
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Add Image to Favorite List 2023-05-15 Io Juno
JunoCam
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This composite image of Io was generated using data collected by the JunoCam imager aboard NASA's Juno spacecraft during four flybys of the Jovian moon.
PIA25887:
4 JunoCam Views of Jovian Moon Io
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Add Image to Favorite List 2023-05-15 Io Juno
JunoCam
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These composite views depicting volcanic activity on Io were generated using both visible light and infrared data collected by NASA's Juno spacecraft during flybys of the Jovian moon on Dec. 14, 2022 (left) and March 1, 2023.
PIA25888:
Io in Color and Infrared
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Add Image to Favorite List 2023-07-26 Io Juno
JunoCam
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At top and bottom right, JunoCam images taken in May 2023 of Jupiter's moon Io show lava fields surrounding volcanoes Volund A and B appear to be growing in size.
PIA25964:
Io Over the Years
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Add Image to Favorite List 2023-12-22 Io Juno
JunoCam
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This image revealing the north polar region of the Jovian moon Io was taken on June 15 by NASA's Juno. Three of the mountain peaks visible in the upper part of image were observed here for the first time by the spacecraft's JunoCam.
PIA26234:
Imaging Io's Volcanos With JunoCam
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Add Image to Favorite List 2023-12-22 Io Juno
JunoCam
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This JunoCam image of Jupiter's moon Io captures a plume of material ejected from the (unseen) volcano Prometheus. The image was taken by NASA's Juno spacecraft on June 15, 2023.
PIA26235:
Io Plume Captured by JunoCam
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Add Image to Favorite List 2024-04-17 Io Juno
JunoCam
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The JunoCam instrument aboard NASA's Juno spacecraft captured this view of Jupiter's moon Io during Juno's 60th flyby of Jupiter on Apr. 9, 2024.
PIA25697:
NASA's Juno Mission Captures View of Io's South Polar Region
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Add Image to Favorite List 2024-04-18 Io Juno
JunoCam
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This animation is an artist's concept of Loki Patera, a lava lake on Jupiter's moon Io, made using data from the JunoCam imager aboard NASA's Juno spacecraft.
PIA26293:
Looking Into Io's Loki Patera (Artist's Concept)
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Add Image to Favorite List 2024-04-18 Io Juno
JunoCam
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Created using data collected by the JunoCam imager aboard NASA's Juno during flybys in December 2023 and February 2024, this animation is an artist's concept of a feature on the Jovian moon Io that the mission science team nicknamed Steeple Mountain.
PIA26294:
Io's 'Steeple Mountain' (Artist's Concept)
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Add Image to Favorite List 2024-06-26 Io Juno
JunoCam
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The JunoCam instrument aboard NASA's Juno spacecraft captured two volcanic plumes rising above the horizon of Jupiter's moon Io. The image was taken Feb. 3, 2024, from a distance of about 2,400 miles (3,800 kilometers).
PIA26340:
JunoCam Captures Io Spouting Off
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Add Image to Favorite List 2024-06-26 Io Juno
JIRAM
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Infrared data collected Oct. 15, 2023, by the JIRAM instrument aboard NASA's Juno spacecraft shows Chors Patera, a lava lake on Jupiter's moon Io.
PIA26371:
Juno Captures Lava Lake Chors Patera on Io
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Add Image to Favorite List 2000-08-03 Ganymede Galileo
Solid-State Imaging
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Cutaway views of the possible internal structures of the Galilean satellites. Ganymede at lower left, Callisto at lower right, Io on upper left, and Europa on upper right in a combined biew from NASA's Galileo and Voyager spacecraft.
PIA01082:
Possible Internal Structures of the Galilean Satellites
Full Resolution:     TIFF (4.452 MB)     JPEG (474.8 kB)
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