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Addition Date TargetSort Descending Mission Instrument Size
Add Image to Favorite List 1996-01-29 Io Voyager
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These photos of the four Galilean satellites of Jupiter were taken by NASA's Voyager 1 during its approach to the planet in early March 1979. Io, Europa, Ganymede, and Callisto are shown in their correct relative sizes.
PIA00012:
Galilean Satellites
Full Resolution:     TIFF (2.14 MB)     JPEG (74.25 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 1996-06-03 Io Voyager
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NASA's Voyager 1 image of Io showing active plume of Loki on limb. Heart-shaped feature southeast of Loki consists of fallout deposits from active plume Pele.
PIA00010:
Io with Loki Plume on Bright Limb
Full Resolution:     TIFF (1.65 MB)     JPEG (50.29 kB)
Add Image to Favorite List 1996-01-29 Io Voyager
VG ISS - Narrow Angle
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This full-disk image of Jupiter's satellite Io was made from several frames taken by NASA's Voyager 1 on Mar. 4, 1979, as the spacecraft neared the satellite.
PIA00023:
Io - Full Disk
Full Resolution:     TIFF (1.21 MB)     JPEG (40.95 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
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
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 1997-09-07 Io Galileo
Solid-State Imaging
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Pele Comparisons Since 1979
PIA00717:
Pele Comparisons Since 1979
Full Resolution:     TIFF (624.4 kB)     JPEG (21.91 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 1997-11-17 Io Galileo
Solid-State Imaging
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Color Mosaic and Active Volcanic Plumes on Io
PIA01081:
Color Mosaic and Active Volcanic Plumes on Io
Full Resolution:     TIFF (4.933 MB)     JPEG (226.2 kB)
Add Image to Favorite List 1998-03-26 Io Galileo
Solid-State Imaging
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Changes on Io's Loki-Pele hemisphere
PIA01223:
Changes on Io's Loki-Pele hemisphere
Full Resolution:     TIFF (1.15 MB)     JPEG (38.67 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 1998-05-08 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 1998-07-02 Io Galileo
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Io imaging during Galileo's 24th orbit
PIA01605:
Io imaging during Galileo's 24th orbit
Full Resolution:     TIFF (512 kB)     JPEG (91.06 kB)
Add Image to Favorite List 1998-09-15 Io Galileo
Solid-State Imaging
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Comparison of Amalthea to Io
PIA01626:
Comparison of Amalthea to Io
Full Resolution:     TIFF (159.3 kB)     JPEG (30.32 kB)
Add Image to Favorite List 1999-01-18 Io Galileo
Solid-State Imaging
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Io's Pele Hemisphere After Pillan Changes
PIA01667:
Io's Pele Hemisphere After Pillan Changes
Full Resolution:     TIFF (1.347 MB)     JPEG (56.68 kB)
Add Image to Favorite List 1999-06-16 Io Voyager
VG ISS - Narrow Angle
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Volcanic Explosion on Io
PIA01971:
Volcanic Explosion on Io
Full Resolution:     TIFF (643.1 kB)     JPEG (36.06 kB)
Add Image to Favorite List 1999-07-16 Io Voyager
VG ISS - Narrow Angle
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Io - Jupiter's inner satellite
PIA01986:
Io - Jupiter's inner satellite
Full Resolution:     TIFF (95.37 kB)     JPEG (4.945 kB)
Add Image to Favorite List 1999-07-23 Io Voyager
VG ISS - Narrow Angle
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Io
PIA01989:
Io
Full Resolution:     TIFF (17.54 kB)     JPEG (9.241 kB)
Add Image to Favorite List 1999-08-13 Io Voyager
VG ISS - Narrow Angle
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Io
PIA02201:
Io
Full Resolution:     TIFF (490.2 kB)     JPEG (132.1 kB)
Add Image to Favorite List 2000-01-04 Io Voyager
VG ISS - Narrow Angle
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Io - high resolution
PIA02231:
Io - high resolution
Full Resolution:     TIFF (407.9 kB)     JPEG (28.7 kB)
Add Image to Favorite List 2000-01-04 Io Voyager
VG ISS - Narrow Angle
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Io - High Res Limb
PIA02232:
Io - High Res Limb
Full Resolution:     TIFF (292.4 kB)     JPEG (37.1 kB)
Add Image to Favorite List 2000-03-23 Io Voyager
VG ISS - Narrow Angle
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Io
PIA02248:
Io
Full Resolution:     TIFF (323.5 kB)     JPEG (26.52 kB)
Add Image to Favorite List 2000-03-23 Io Voyager
VG ISS - Narrow Angle
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Io - South Pole
PIA02249:
Io - South Pole
Full Resolution:     TIFF (484.7 kB)     JPEG (112.2 kB)
Add Image to Favorite List 2000-03-23 Io Voyager
VG ISS - Narrow Angle
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Io - Southern Hemisphere
PIA02250:
Io - Southern Hemisphere
Full Resolution:     TIFF (404.1 kB)     JPEG (37.77 kB)
Add Image to Favorite List 2000-03-23 Io Voyager
VG ISS - Narrow Angle
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Io - Crescent with Plumes
PIA02254:
Io - Crescent with Plumes
Full Resolution:     TIFF (99.45 kB)     JPEG (47.51 kB)
Add Image to Favorite List 2000-05-25 Io Voyager
VG ISS - Narrow Angle
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Io
PIA02280:
Io
Full Resolution:     TIFF (591.1 kB)     JPEG (155.9 kB)
Add Image to Favorite List 2000-05-25 Io Voyager
VG ISS - Narrow Angle
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Io Pele Plume
PIA02287:
Io Pele Plume
Full Resolution:     TIFF (103 kB)     JPEG (15.36 kB)
Add Image to Favorite List 2000-05-25 Io Voyager
VG ISS - Narrow Angle
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Io Caldera
PIA02288:
Io Caldera
Full Resolution:     TIFF (75.66 kB)     JPEG (9.196 kB)
Add Image to Favorite List 2000-06-08 Io Voyager
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Io 2x2 Mosaic
PIA02294:
Io 2x2 Mosaic
Full Resolution:     TIFF (5.675 MB)     JPEG (145.5 kB)
Add Image to Favorite List 1999-08-27 Io Galileo
Solid-State Imaging
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Closeups of Io (false color)
PIA02319:
Closeups of Io (false color)
Full Resolution:     TIFF (6.806 MB)     JPEG (301 kB)
Add Image to Favorite List 1999-11-04 Io Galileo
Solid-State Imaging
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Galileo Discovers Caldera at Prometheus Volcano, Io
PIA02508:
Galileo Discovers Caldera at Prometheus Volcano, Io
Full Resolution:     TIFF (5.342 MB)     JPEG (193.5 kB)
Add Image to Favorite List 1999-11-04 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 1999-11-19 Io Galileo
Solid-State Imaging
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Pele's Glow
PIA02510:
Pele's Glow
Full Resolution:     TIFF (1.391 MB)     JPEG (42.92 kB)
Add Image to Favorite List 1999-11-19 Io Galileo
Solid-State Imaging
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Collapsing Mountains on Io
PIA02513:
Collapsing Mountains on Io
Full Resolution:     TIFF (1.291 MB)     JPEG (251.9 kB)
Add Image to Favorite List 1999-12-17 Io Galileo
Solid-State Imaging
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Reconstruction of Scrambled Io Images
PIA02517:
Reconstruction of Scrambled Io Images
Full Resolution:     TIFF (245.3 kB)     JPEG (96.38 kB)
Add Image to Favorite List 1999-12-17 Io Galileo
Solid-State Imaging
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Lava Fountains on 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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Mountains on Io
PIA02520:
Mountains on Io
Full Resolution:     TIFF (267.5 kB)     JPEG (72.92 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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Interpreted Lava Fountains on Io
PIA02525:
Interpreted Lava Fountains on Io
Full Resolution:     TIFF (1.3 MB)     JPEG (124.8 kB)
Add Image to Favorite List 2001-02-26 Io Galileo
Solid-State Imaging
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Eruption at Tvashtar Catena on Io
PIA02584:
Eruption at Tvashtar Catena on Io
Full Resolution:     TIFF (1.901 MB)     JPEG (114.5 kB)
Add Image to Favorite List 2001-10-04 Io Galileo
Solid-State Imaging
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Northern Plume and Plume Deposits on Io
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
Solid-State Imaging
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Io's Pele Glowing in the Dark
PIA02596:
Io's Pele Glowing in the Dark
Full Resolution:     TIFF (471.9 kB)     JPEG (98.62 kB)
Add Image to Favorite List 2001-12-10 Io Galileo
Solid-State Imaging
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Lava Channel at Io's Emakong Patera
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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Io Rotation Movie
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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Jupiter-shine' on Io
PIA02858:
Jupiter-shine' on Io Animation Icon
Full Resolution:
Add Image to Favorite List 2002-05-28 Io Galileo
Solid-State Imaging
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Detailed View of Mountain and Craters at Tohil, Io
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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Galileo's Last View of Tvashtar, Io
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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Galileo's Best View of Loki Volcano on Io
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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New plume vent near Zamama, Io
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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Volcanic Depression and Shield Volcano, Io
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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Amirani Lava Flow on Io
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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Io in Infrared with Giant Plume's New Hot Spot
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 2001-12-10 Io Galileo
Solid-State Imaging
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Tall Mountain, Tohil Mons, on Io
PIA03600:
Tall Mountain, Tohil Mons, on Io
Full Resolution:     TIFF (687.7 kB)     JPEG (120.4 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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Potential Source of Sulfur Flow on Io
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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Io's Gish Bar Volcanic Region in Infrared
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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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 2007-05-01 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
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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 2007-10-16 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 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 1997-09-07 Io Galileo
Solid-State Imaging
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Volcanic hot spots and auroral emissions glow on the darkside of Jupiter's moon Io in the image at left. The image was taken by the camera onboard NASA's Galileo spacecraft on 29 June, 1996 UT while Io was in Jupiter's shadow.
PIA00274:
Io Glowing in the Dark
Full Resolution:     TIFF (1.414 MB)     JPEG (208.6 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 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 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
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 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 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 2000-03-06 Io Galileo
Solid-State Imaging
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Zal Patera, Io, in color
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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Ionian Mountains and Calderas, in Color
PIA02526:
Ionian Mountains and Calderas, in Color
Full Resolution:     TIFF (3.203 MB)     JPEG (170.4 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 1997-09-08 Io Galileo
Solid-State Imaging
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Three full-disk color views of Jupiter's volcanic moon Io as seen by NASA's Galileo spacecraft are shown in enhanced color to highlight details of the surface.
PIA00292:
Three Views of Io
Full Resolution:     TIFF (3.931 MB)     JPEG (118.1 kB)
Add Image to Favorite List 2000-10-26 Io Galileo
Solid-State Imaging
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Sources of Volcanic Plumes Near Prometheus
PIA02565:
Sources of Volcanic Plumes Near Prometheus
Full Resolution:     TIFF (1.988 MB)     JPEG (98.6 kB)
Add Image to Favorite List 2000-05-31 Io Galileo
Near Infrared Mapping Spectrometer
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Changes in the volcanoes on Jupiter's moon Io can be seen in these three views, taken by NASA's Galileo spacecraft during its three flybys of Io in October 1999, November 1999 and February 2000.
PIA02558:
Myriad of Hot Spots on Io
Full Resolution:     TIFF (56.56 kB)     JPEG (27.49 kB)
Add Image to Favorite List 1998-03-26 Io Galileo
Solid-State Imaging
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Io's Kanehekili Hemisphere
PIA01220:
Io's Kanehekili Hemisphere
Full Resolution:     TIFF (327 kB)     JPEG (14.68 kB)
Add Image to Favorite List 1997-09-07 Io Galileo
Solid-State Imaging
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Unusual Volcanic Pyroclastic Deposits on Io
PIA00711:
Unusual Volcanic Pyroclastic Deposits on Io
Full Resolution:     TIFF (4.224 MB)     JPEG (179.7 kB)
Add Image to Favorite List 1997-09-07 Io Galileo
Solid-State Imaging
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Five Color Views of Io
PIA00491:
Five Color Views of Io
Full Resolution:     TIFF (4.97 MB)     JPEG (155.9 kB)
Add Image to Favorite List 1997-11-18 Io Galileo
Solid-State Imaging
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Io in front of Jupiter
PIA00494:
Io in front of Jupiter
Full Resolution:     TIFF (2.13 MB)     JPEG (88.84 kB)
Add Image to Favorite List 1997-11-18 Io Galileo
Solid-State Imaging
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Changing volcanoes on Io
PIA00495:
Changing volcanoes on Io
Full Resolution:     TIFF (2.377 MB)     JPEG (60.55 kB)
Add Image to Favorite List 1998-12-07 Io Galileo
Solid-State Imaging
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Sequence Showing Active Volcanic Plumes on Io
PIA01652:
Sequence Showing Active Volcanic Plumes on Io
Full Resolution:     TIFF (2.093 MB)     JPEG (73 kB)
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
Full Resolution:     TIFF (307.3 kB)     JPEG (67.14 kB)
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
Full Resolution:     TIFF (783.9 kB)     JPEG (130.5 kB)
Add Image to Favorite List 2000-05-18 Io Galileo
Photopolarimeter-Radiometer
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The Role of Sulfur in Io's Volcanoes
PIA02547:
The Role of Sulfur in Io's Volcanoes
Full Resolution:     TIFF (1.611 MB)     JPEG (75.39 kB)
Add Image to Favorite List 2000-10-26 Io Galileo
Solid-State Imaging
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Camaxtli Patera, An Active Volcanic Center on Io
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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High Resolution Global View of Io
PIA00583:
High Resolution Global View of Io
Full Resolution:     TIFF (9.084 MB)     JPEG (400.9 kB)
Add Image to Favorite List 2000-10-26 Io Galileo
Solid-State Imaging
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Giant Lava Flow on Io, in Color
PIA02567:
Giant Lava Flow on Io, in Color
Full Resolution:     TIFF (1.187 MB)     JPEG (44.4 kB)
Add Image to Favorite List 1997-09-07 Io Galileo
Solid-State Imaging
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Resurfacing of the Jupiter-facing hemisphere of Io
PIA00712:
Resurfacing of the Jupiter-facing hemisphere of Io
Full Resolution:     TIFF (4.461 MB)     JPEG (189.4 kB)
Add Image to Favorite List 2000-04-19 Io Galileo
Solid-State Imaging
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Highest Resolution of Lava Flows on Io
PIA02533:
Highest Resolution of Lava Flows on Io
Full Resolution:     TIFF (1.276 MB)     JPEG (90.21 kB)
Add Image to Favorite List 1998-10-13 Io Galileo
Solid-State Imaging
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Io in Eclipse reveals High Temperature Hot Spots
PIA01635:
Io in Eclipse reveals High Temperature Hot Spots
Full Resolution:     TIFF (323.3 kB)     JPEG (59.78 kB)
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
Full Resolution:     TIFF (8.285 MB)     JPEG (579.6 kB)
Add Image to Favorite List 1997-12-10 Io Galileo
Solid-State Imaging
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Io Degassing from sub- and anti-Jupiter Regions
PIA01094:
Io Degassing from sub- and anti-Jupiter Regions
Full Resolution:     TIFF (914.2 kB)     JPEG (101.9 kB)
Add Image to Favorite List 1997-11-18 Io Galileo
Solid-State Imaging
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Voyager-to-Galileo Changes, Io's Anti-Jove Hemisphere
PIA01063:
Voyager-to-Galileo Changes, Io's Anti-Jove Hemisphere
Full Resolution:     TIFF (2.955 MB)     JPEG (122.2 kB)
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
Full Resolution:     TIFF (817.7 kB)     JPEG (42.25 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 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 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)
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