Two moons cross the face of Jupiter, which is ringed with bands of clouds and storms.

Jupiter and Moons

Voyager 1 took this photo of Jupiter and two of its satellites (Io, left, and Europa) on Feb. 13, 1979. Io is about 350,000 kilometers (220,000 miles) above Jupiter's Great Red Spot; Europa is about 600,000 kilometers (375,000 miles) above Jupiter's clouds.

Credits: NASA/JPL-Caltech
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Image CreditNASA/JPL-Caltech
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