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Image Gallery: Io
Io: Monitoring color and brightness changes of the surface
Full-disk images in four colors at low-to-moderate phase angles, for monitoring spatial and temporal variations in color and albedo. Surface monitoring frames are also useful for detecting plumes on the bright limb.

Full-disk images in six colors for compositional mapping which might reveal absorption features due to iron-rich silicates.

Images with Io illuminated by Jupitershine to search for night side brightenings and color changes associated with condensing frosts or other phenomena and very low phase angle
observations to map regolith porosity variations.

Image Thumbnail Title Orbit
Color Global Image Color Global Image 1
Io Triplet Io Triplet 1
Resurfacing of the Jupiter-facing hemisphere of Io Resurfacing of the Jupiter-facing hemisphere of Io 1
Full Disk Views of Io (Natural and Enhanced Color) Full Disk Views of Io (Natural and Enhanced Color) 1
5 Views of Io 5 Views of Io 1
'Family Portrait' of Jupiter's Great Red Spot and the Galilean Satellites 'Family Portrait' of Jupiter's Great Red Spot and the Galilean Satellites 1
The Galilean Satellites The Galilean Satellites 1
The Galilean Satellites The Galilean Satellites 1
Io in front of Jupiter Io in front of Jupiter 2
Voyager-to-Galileo Changes, Io's Anti-Jove Hemisphere Voyager-to-Galileo Changes, Io's Anti-Jove Hemisphere 2
Global View of Io (Natural and False/Enhanced Color) Global View of Io (Natural and False/Enhanced Color) 2
"Family Portrait" of the 4 Galilean Satellites 2
High Resolution Global View of Io High Resolution Global View of Io 3
Global Color View of Io (4th orbit) Global Color View of Io (4th orbit) 4
Global View of Io in a New Color Global View of Io in a New Color 4
Global View of Io using Color Ratios Global View of Io using Color Ratios 4
Global View of Io in various colors Global View of Io in various colors 4
Changes in Io's Loki-Pele hemisphere (color) Changes in Io's Loki-Pele hemisphere (color) 6
Io's Kanehekili Hemisphere (color) Io's Kanehekili Hemisphere (color) 9
Global image of Io (true color) Global image of Io (true color) 21
Global image of Io (false color) Global image of Io (false color) 21
Close-ups of Io (false color) Close-ups of Io (false color) 21
Comparison of Landscapes on the Galilean Satellites Comparison of Landscapes on the Galilean Satellites 1
Color Global Mosaic of Io Color Global Mosaic of Io 2
Massive Resurfacing of the Ionian Volcano Ra Patera Massive Resurfacing of the Ionian Volcano Ra Patera

(Click here for related HST observations)

 1
Changes near the Volcano Loki Patera on Io Changes near the Volcano Loki Patera on Io 1
Unusual Volcanic Pyroclastic Deposits on Io Unusual Volcanic Pyroclastic Deposits on Io 1
Surface Changes on Io Surface Changes on Io 1
Three Surface Changes on Io Three Surface Changes on Io 1
Pele Comparisons Since 1979 Pele Comparisons Since 1979 1
Io's Pele Hemisphere Io's Pele Hemisphere 1
Changing volcanoes on Io Changing volcanoes on Io 2
Close-up of Prometheus, Io (color) Close-up of Prometheus, Io (color) 21
Changes Around Marduk Between Voyager and Galileo's Second Orbit Changes Around Marduk Between Voyager and Galileo's Second Orbit 2
Changes Around Marduk Between Voyager, and Galileo's First Two Orbits Changes Around Marduk Between Voyager, and Galileo's First Two Orbits 2
Changes East of Pele Between Galileo's First Two Orbits Changes East of Pele Between Galileo's First Two Orbits 2
Changes on Io Around Maui and Amirani Between Voyager 1 and Galileo's Second Orbit Changes on Io Around Maui and Amirani Between Voyager 1 and Galileo's Second Orbit 2
Amirani-Maui: Longest Known Active Amirani-Maui: Longest Known Active Lava Flow in the Solar System 21
Changes on Io Around Volund Between Voyager 1 and Galileo's Second Orbit Changes on Io Around Volund Between Voyager 1 and Galileo's Second Orbit 2
Close-up of Zamama, Io (color) Close-up of Zamama, Io (color) 21
Changes on Io between Voyager 1 and Galileo's Second Orbit Around an Unnamed Vent North of Prometheus Changes on Io between Voyager 1 and Galileo's Second Orbit Around an Unnamed Vent North of Prometheus 2
Lack of Visible Change Around Active Hotspots on Io Lack of Visible Change Around Active Hotspots on Io 2
Pele Plume Deposit on Io Pele Plume Deposit on Io 3
Arizona-sized Eruption on Io Arizona-sized Eruption on Io 10
Changes at Pillan Patera Changes at Pillan Patera 21
Io's Pele Hemisphere After Pillan Changes Io's Pele Hemisphere After Pillan Changes 10
Migrating Volcanic Plumes on Io Migrating Volcanic Plumes on Io 21
Key Volcanic Centers on Io Key Volcanic Centers on Io 11
Close-up color view of Io Close-up color view of Io 14
Trajectory and Highlights of the Galileo Mission to Jupiter Trajectory and Highlights of the Galileo Mission to Jupiter 1 thru 29
Changes Observed in Just 4.5 Months at Prometheus, Io Changes Observed in Just 4.5 Months at Prometheus, Io 24

25
The Role of Sulfur in Io's Volcanoes The Role of Sulfur in Io's Volcanoes 24
Myriad of Hot Spots on Io Myriad of Hot Spots on Io 24

25

27
Io's Prometheus Volcano at Various Resolutions Io's Prometheus Volcano at Various Resolutions 21

27
Sources of Volcanic Plumes Near Prometheus Sources of Volcanic Plumes Near Prometheus 27
Giant Lava Flow on Io, in Color Giant Lava Flow on Io, in Color 27
Galileo Takes a Close-up Look at Prometheus Galileo Takes a Close-up Look at Prometheus 27
Eruption at Tvashtar Catena on Io Eruption at Tvashtar Catena on Io 25

27
Amirani's Big Lava Flow on Io Amirani's Big Lava Flow on Io 24

27
Hot Spots on Io Hot Spots on Io 31
Northern Plume and Plume Deposits on Io Northern Plume and Plume Deposits on Io 31
Io's Tvashtar Area in Infrared: Multiple Lava Flows Io's Tvashtar Area in Infrared: Multiple Lava Flows 31
Io's Loki in Infrared 32

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Last updated 11/27/01.

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