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Back Rare Hubble Portrait of Io and Jupiter

Rare Hubble Portrait of Io and Jupiter


Depicts: Jupiter, Io
Copyright: J. Spencer (Lowell Observatory), and NASA

This image, shows Jupiter's volcanic moon Io passing above the turbulent clouds of the giant planet, on July 24, 1996. The conspicuous black spot on Jupiter is Io's shadow.

The smallest details visible on Io and Jupiter are about 100 miles across. Bright patches visible on Io are regions of sulfur dioxide frost. Io is roughly the size of Earth's moon, but 2,000 times farther away.

Last Update: 1 September 2019
13-Apr-2026 08:33 UT

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