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Explanation: How tall are mountains on Jupiter's moon Io? One way to find out is to view them at sunset. Tall structures facing the Sun are then better-lit and cast long shadows. The above image highlights Mongibello Mons on the far left, a sharp ridge rising so high it would rank among the highest mountains on Earth. The violently changing surface of Io shows not only classic volcano cinder cones but also many thrust faults where the ground has fractured and created dramatic shear cliffs. The grayscale image was taken two years ago by the robot spacecraft Galileo currently orbiting Jupiter.
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NASA Web Site Statements, Warnings, and Disclaimers
NASA Official: Jay Norris. Specific rights apply.
A service of: LHEA at NASA / GSFC
& Michigan Tech. U.
Based on Astronomy Picture
Of the Day
Publications with keywords: Io - sunset
Publications with words: Io - sunset
See also:
- APOD: 2025 December 30 Á An Artificial Comet
- APOD: 2025 December 22 Á Sunset Solstice over Stonehenge
- APOD: 2025 October 15 Á Rocket Launch Plume over Tucson
- APOD: 2025 June 15 Á Two Worlds One Sun
- APOD: 2023 October 23 Á Moon Io from Spacecraft Juno
- APOD: 2023 June 13 Á Moons Across Jupiter
- Io in True Color