Tag Archives: Hubble telescope

Jupiter Is Watching You

The pupil is actually the shadow of Ganymede, one of Jupiter’s 67 “confirmed” moons and the largest moon in the solar system. “Larger than Mercury and Pluto, and only slightly smaller than Mars, Ganymede would easily be classified as a planet if it were orbiting the sun rather than Jupiter.” Ganymede whips around the massive Jupiter every seven days. Details.

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