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Addition Date Target MissionSort Ascending Instrument Size
Add Image to Favorite List 1998-06-04 Io Voyager
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The eruption of Pele on Jupiter's moon Io. The volcanic plume rises 300 kilometers above the surface in an umbrella-like shape. This image is from NASA's Voyager 1.
PIA00323:
Eruption of Pele
Full Resolution:     TIFF (8.268 MB)     JPEG (268 kB)
Add Image to Favorite List 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 1998-06-08 Io Voyager
VG ISS - Narrow Angle
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This is a multispectral image cube of Io from NASA's Voyager 2 images, simple cylindrical projection.
PIA00401:
Io: Cylindrical Projection
Full Resolution:     TIFF (4.465 MB)     JPEG (229.2 kB)
Add Image to Favorite List 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 1996-01-29 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 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
Full Resolution:     TIFF (404.1 kB)     JPEG (37.77 kB)
Add Image to Favorite List 1999-06-16 Io Voyager
VG ISS - Narrow Angle
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VOLCANIC EXPLOSION ON IO: NASA's Voyager 1 acquired this image of Io on March 4 at 5:30 p.m. (PST) about 11 hours before closest approach to the Jupiter moon.
PIA01971:
Volcanic Explosion on Io
Full Resolution:     TIFF (643.1 kB)     JPEG (36.06 kB)
Add Image to Favorite List 1999-10-14 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 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
Full Resolution:     TIFF (484.7 kB)     JPEG (112.2 kB)
Add Image to Favorite List 2000-01-04 Io Voyager
VG ISS - Narrow Angle
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This picture of Io captured by NASA's Voyager 1 was taken on the morning of March 5 at a range of 75,445 kilometers.
PIA02232:
Io - High Res Limb
Full Resolution:     TIFF (292.4 kB)     JPEG (37.1 kB)
Add Image to Favorite List 2000-01-04 Io Voyager
VG ISS - Narrow Angle
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This picture of Io was taken by NASA's Voyager 1 on the morning of March 5, 1979 at a range of about 92,000 km (55,000 mi.).
PIA02231:
Io - high resolution
Full Resolution:     TIFF (407.9 kB)     JPEG (28.7 kB)
Add Image to Favorite List 1999-08-13 Io Voyager
VG ISS - Narrow Angle
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This NASA Voyager 1 view of an equatorial region near longitude 300 degrees shows several large surface flows that originate in volcanic craters or calderas.
PIA02201:
Io
Full Resolution:     TIFF (490.2 kB)     JPEG (132.1 kB)
Add Image to Favorite List 2000-06-08 Io Voyager
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Perhaps the most spectacular of all the Voyager photos of Io is this mosaic obtained by NASA's Voyager 1 on March 5 at a range of 400,000 kilometers.
PIA02294:
Io 2x2 Mosaic
Full Resolution:     TIFF (5.675 MB)     JPEG (145.5 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 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 2000-03-23 Io Voyager
VG ISS - Narrow Angle
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This photo of Io, innermost of the four large Galilean satellites of Jupiter, was taken through an ultraviolet filter by the narrow angle camera of NASA's Voyager 1.
PIA02248:
Io
Full Resolution:     TIFF (323.5 kB)     JPEG (26.52 kB)
Add Image to Favorite List 1999-07-23 Io Voyager
VG ISS - Narrow Angle
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This NASA Voyager 2 picture of Io was taken in ultraviolet light on the evening of July 4, 1979, at a range of 4.7 million kilometers (2.9 million miles).
PIA01989:
Io
Full Resolution:     TIFF (17.54 kB)     JPEG (9.241 kB)
Add Image to Favorite List 1999-07-16 Io Voyager
VG ISS - Narrow Angle
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The trailing face of Jupiter's inner satellite Io is shown in this photo taken by NASA's Voyager 1 on March 3, 1979, from a distance of 1.7 million miles.
PIA01986:
Io - Jupiter's inner satellite
Full Resolution:     TIFF (95.37 kB)     JPEG (4.945 kB)
Add Image to Favorite List 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 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 1998-06-04 Io Voyager
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NASA's Voyager 1 computer color mosaics, shown in approximately natural color and in Lambertian equal-area projections, show the Eastern (left) and Western (right) hemispheres of Io.
PIA00318:
Io Shown in Lambertian Equal Area Projection and in Approximately Natural Color
Full Resolution:     TIFF (8.241 MB)     JPEG (259.1 kB)
Add Image to Favorite List 1998-06-04 Io Voyager
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Io's volcanic plains are shown in NASA's Voyager 1 image mosaic which covers the area roughly from latitude 60 deg N. to latitude 60 deg S. and longitude 100-345. Numerous volcanic calderas, lava flows, and volcanic eruption plumes are visible here.
PIA00319:
Global Mercator Mosaic
Full Resolution:     TIFF (8.191 MB)     JPEG (209.7 kB)
Add Image to Favorite List 1998-06-04 Io Voyager
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Io's volcanic plains are shown in this image mosaic from NASA's Voyager 1. Also visible are numerous volcanic calderas and lava flows. Ra Patera with its multihued lava flows is below and right of the mosaic's center.
PIA00321:
Io, the Ra Patera, Mazda Catena, and Gibil Patera Area
Full Resolution:     TIFF (2.485 MB)     JPEG (92.7 kB)
Add Image to Favorite List 1998-06-04 Io Voyager
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Io's volcanic plains are shown in this image from NASA's Voyager 1 taken in 1998. Also visible are numerous volcanic calderas and two large mountains (Euboea Montes, just above 

center, and Haemus Montes, at lower left).
PIA00328:
Io, Showing Volcanic Plains and Mountains
Full Resolution:     TIFF (1.445 MB)     JPEG (51.48 kB)
Add Image to Favorite List 1998-12-05 Io Voyager
VG ISS - Narrow Angle
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This picture shows a special color reconstruction of one of the erupting volcanos on Io discovered by NASA's Voyager 1 during its encounter with Jupiter on the 4th and 5th of March, 1979.
PIA01368:
Jupiter's Moon Io
Full Resolution:     TIFF (736.2 kB)     JPEG (138.3 kB)
Add Image to Favorite List 1999-08-31 Io Voyager
VG ISS - Narrow Angle
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This color picture of Io, Jupiter's innermost Galilean satellite, was taken by NASA's Voyager 1 on the morning of March 5, 1979 at a range of 128,500 kilometers (77,100 miles).
PIA00361:
Io Surface Deposits and Volcano
Full Resolution:     TIFF (1.38 MB)     JPEG (49.09 kB)
Add Image to Favorite List 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 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 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
Full Resolution:     TIFF (517.3 kB)     JPEG (51.9 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 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 1998-11-02 Io Voyager
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The South Polar region of Jupiter's moon Io, seen by NASA's Voyager 1 as it passed beneath in the early 1980s.
PIA01485:
South Polar Region of Io
Full Resolution:     TIFF (8.229 MB)     JPEG (257.5 kB)
Add Image to Favorite List 1999-03-13 Io Voyager
VG ISS - Narrow Angle
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This picture of Io, the innermost Galilean satellite, was taken by NASA's Voyager 1 on the morning of March 5, 1979 at a range of 377,000 kilometers (226,200 miles). The smallest features visible are about 10 kilometers (6 miles) across.
PIA01514:
Io Surface Deposits and Volcanic Craters
Full Resolution:     TIFF (2.1 MB)     JPEG (70.93 kB)
Add Image to Favorite List 1999-05-08 Io Voyager
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NASA'S Voyager 2 shows that Io's volcanos continually resurface it, so that any impact craters have disappeared.
PIA01530:
Volcanic Activity on Io
Full Resolution:     TIFF (3.3 MB)     JPEG (174.6 kB)
Add Image to Favorite List 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 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
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 2007-10-09 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 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 2007-10-09 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 2007-04-02 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 2007-05-01 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 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
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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 2007-05-01 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 2007-04-02 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 2007-05-01 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 2007-04-17 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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Tvashtar Movie
PIA09357:
Tvashtar Movie Animation Icon
Full Resolution:     TIFF (183.9 kB)     JPEG (7.658 kB)
Add Image to Favorite List 1999-05-21 Io Hubble Space Telescope
WFPC2
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Hubble Clicks Images of Io Sweeping Across Jupiter
PIA01540:
Hubble Clicks Images of Io Sweeping Across Jupiter
Full Resolution:     TIFF (6.217 MB)     JPEG (285.7 kB)
Add Image to Favorite List 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 2007-04-02 Io Galileo
Voyager
Solid-State Imaging
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Io in Motion
PIA09257:
Io in Motion Animation Icon
Full Resolution:     TIFF (125.1 MB)     JPEG (3.431 MB)
Add Image to Favorite List 1998-03-26 Io Galileo
Solid-State Imaging
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The images used to create this enhanced color composite of Io were acquired by NASA's Galileo spacecraft during its seventh orbit (G7) of Jupiter. Low sun angles near the terminator offer lighting conditions which emphasize the topography on volcanic Io.
PIA00738:
Topography and Volcanoes on Io (color)
Full Resolution:     TIFF (1.08 MB)     JPEG (47.47 kB)
Add Image to Favorite List 1997-09-07 Io Galileo
Solid-State Imaging
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Five color views of Jupiter's moon Io, as seen by NASA's Galileo spacecraft camera, were taken between the 25th and the 29th of June, 1996
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, the most volcanic body in the solar system, is seen in front of Jupiter's cloudy atmosphere in this image taken Sept. 7, 1996, by NASA's Galileo spacecraft, now orbiting the giant planet.
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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Volcanoes on Jupiter's moon Io are compared in these images from NASA's Galileo spacecraft (right) taken in early September of this year, and from the Voyager spacecraft (left) taken in 1979.
PIA00495:
Changing volcanoes on Io
Full Resolution:     TIFF (2.377 MB)     JPEG (60.55 kB)
Add Image to Favorite List 1997-12-18 Io Galileo
Solid-State Imaging
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Shown here is a highest-resolution image of Io (Latitude: -60 to +20 degrees, Longitude: 150 to 230 degrees) acquired by NASA's Galileo spacecraft, revealing a great variety of landforms.
PIA00536:
Geologic Landforms on Io
Full Resolution:     TIFF (685.5 kB)     JPEG (126.1 kB)
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 1997-09-07 Io Galileo
Solid-State Imaging
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Four views of the volcano Ra Patera 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.
PIA00709:
Massive Resurfacing of the Ionian Volcano Ra Patera
Full Resolution:     TIFF (5.755 MB)     JPEG (211.6 kB)
Add Image to Favorite List 1997-09-07 Io Galileo
Solid-State Imaging
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Four views of the hemisphere of Io which faces Jupiter 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.
PIA00712:
Resurfacing of the Jupiter-facing hemisphere of Io
Full Resolution:     TIFF (4.461 MB)     JPEG (189.4 kB)
Add Image to Favorite List 1998-03-26 Io Galileo
Solid-State Imaging
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The three images of Io in eclipse (top) show volcanic hot spots and airglow associated with volcanic plumes and Io's atmosphere. They were acquired by NASA's Galileo spacecraft during three separate orbits of Jupiter when the Io was in Jupiter's shadow.
PIA00739:
Eclipse Images of Io (3 views)
Full Resolution:     TIFF (1.486 MB)     JPEG (218.7 kB)
Add Image to Favorite List 1997-12-10 Io Galileo
Solid-State Imaging
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Shown here are color-coded images of Io in eclipse (top). The images were acquired by NASA's Galileo spacecraft during its tenth orbit around Jupiter.
PIA01094:
Io Degassing from sub- and anti-Jupiter Regions
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Add Image to Favorite List 1997-12-18 Io Galileo
Solid-State Imaging
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Shown here is one of the topographic mapping images of Jupiter's moon Io (Latitude: +5 to +48 degrees, Longitude: 120 to 185 degrees) acquired by NASA's Galileo spacecraft, revealing a great variety of landforms.
PIA01104:
Geologic Landforms on Io (Area 2)
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Add Image to Favorite List 1997-12-18 Io Galileo
Solid-State Imaging
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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)
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Add Image to Favorite List 1997-12-18 Io Galileo
Solid-State Imaging
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Shown here is one of the topographic mapping images of Jupiter's moon Io (Latitude: -60 to 20 degrees, Longitude: 180 to 270 degrees) acquired by NASA's Galileo spacecraft, revealing a great variety of landforms.
PIA01106:
Geologic Landforms on Io (Area 4)
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Add Image to Favorite List 1997-12-18 Io Galileo
Solid-State Imaging
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Shown here is one of the topographic mapping images of Jupiter's moon Io (Latitude: -40 to +90 degrees, Longitude: 210-320 degrees) acquired by NASA's Galileo spacecraft, revealing a great variety of landforms.
PIA01107:
Geologic Landforms on Io (Area 5)
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Add Image to Favorite List 1997-12-18 Io Galileo
Solid-State Imaging
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The varied effects of Ionian volcanism can be seen in this false color infrared composite image of Io's trailing hemisphere. Color data from Galileo's first orbit have been combined with a higher resolution clear filter picture taken on the third orbit.
PIA01112:
Pele Plume Deposit on Io
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Add Image to Favorite List 1998-03-26 Io Galileo
Solid-State Imaging
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This image of Io was acquired by NASA's Galileo spacecraft during its ninth orbit (C9) of Jupiter as part of a sequence of images designed to cover Io at low illumination angles to map the landforms.
PIA01217:
Topography of Io
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Add Image to Favorite List 1998-03-26 Io Galileo
Solid-State Imaging
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This color composite of Io, acquired by NASA's Galileo spacecraft during its ninth orbit (C9) of Jupiter, shows the hemisphere of Io which is centered at longitude 52 degrees. The dark feature to the lower right of the center of the disk is Kanehekili.
PIA01220:
Io's Kanehekili Hemisphere
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Add Image to Favorite List 1998-05-08 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
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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
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Add Image to Favorite List 1998-07-02 Io Galileo
Solid-State Imaging
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This is the highest resolution color picture taken so far of Jupiter's volcanic moon Io by NASA's Galileo spacecraft. The fiery satellite is seen against a backdrop of Jupiter's cloud tops, which appear blue in this false-color composite.
PIA01604:
Close-up color view of Io
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Add Image to Favorite List 1998-10-13 Io Galileo
Solid-State Imaging
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Views of Jupiter's moon Io in the eclipse of the large planet's shadow are color coded so blue to yellow to red represents increasing brightness. Image from NASA's Galileo spacecraft indicate that the lava at Pillan Patera exceeded 1,700 degrees kelvin.
PIA01635:
Io in Eclipse reveals High Temperature Hot Spots
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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 1998-12-07 Io Galileo
Solid-State Imaging
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These four views of Jupiter's moon Io clearly show airborne plumes of gas and dust from two of Io's active volcanoes, Zamama and Prometheus. The bottom row consists of enlargements of the plume areas. Images captured by NASA's Galileo spacecraft.
PIA01652:
Sequence Showing Active Volcanic Plumes on Io
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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 1999-01-18 Io Galileo
Solid-State Imaging
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These views of the key volcanic centers on Jupiter's moon, Io, merge color data with higher resolution mosaics. Images were obtained with the green, violet, and 756 micrometer filters of the Solid State Imaging (SSI) system on NASA's Galileo spacecraft.
PIA01668:
Key Volcanic Centers on Io
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Add Image to Favorite List 1999-12-17 Io Galileo
Solid-State Imaging
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This image of Jupiter's moon Io, taken by NASA's Galileo spacecraft on November 25, 1999, shows a bright lava flow with a distinct dark channel in the middle.
PIA02518:
Bright Channelized Lava Flows on Io
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Add Image to Favorite List 1999-12-17 Io Galileo
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This false-color infrared image of the Sunlit disk of Jupiter's moon Io was taken at the NASA Infrared Telescope Facility at Mauna Kea, Hawaii, a few hours after a November 25, 1999 close Io flyby by NASA's Galileo spacecraft.
PIA02522:
Earth-Based Observations of a Fire Fountain on Io
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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
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Add Image to Favorite List 1999-12-17 Io Galileo
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Like a terrestrial weather map, this map made by the photopolarimeter-radiometer onboard NASA's Galileo spacecraft shows how temperatures vary across the surface of Jupiter's moon Io. In this case temperatures are due to volcanic activity, not weather.
PIA02524:
Galileo PPR Temperature Maps of Loki in October 1999
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Add Image to Favorite List 2000-03-06 Io Galileo
Solid-State Imaging
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This picture of Jupiter's volcanic moon Io combines high-resolution black and white images taken by NASA's Galileo spacecraft on October 10, 1999, with lower resolution color images taken by Galileo on July 3, 1999.
PIA02526:
Ionian Mountains and Calderas, in Color
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Add Image to Favorite List 2000-03-06 Io Galileo
Solid-State Imaging
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The Zal Patera region of Jupiter's volcanic moon Io is shown in this combination of high-resolution black and white images taken by NASA's Galileo spacecraft on November 25, 1999 and lower resolution color images taken by Galileo on July 3, 1999.
PIA02527:
Zal Patera, Io, in color
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Add Image to Favorite List 2000-04-19 Io Galileo
Solid-State Imaging
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Lava flows similar to those found in Hawaii are seen in the black and white image at top, taken by NASA's Galileo spacecraft. It is one of the highest resolution images ever obtained of Jupiter's volcanic moon Io.
PIA02533:
Highest Resolution of Lava Flows on Io
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Add Image to Favorite List 2000-05-18 Io Galileo
Solid-State Imaging
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Culann Patera, one of the most colorful volcanic centers on Io, is the centerpiece of this mosaic of the best high-resolution, color view of Io yet returned by NASA's Galileo spacecraft.
PIA02535:
Culann Patera, Io, in False Color
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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
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
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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
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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)
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