Two Moons Passing in the Night

The Saturn moons Mimas and Pandora remind us of how different they are when they appear together, as in this image taken by NASA's Cassini spacecraft. Pandora's small size means that it lacks sufficient gravity to pull itself into a round shape like its larger sibling, Mimas. Researchers believe that the elongated shape of Pandora (50 miles, or 81 kilometers across) may hold clues to how it and other moons near Saturn's rings formed. This view looks toward the anti-Saturn hemisphere of Mimas…

Two Moons Passing in the Night

Source: Cool Sci-Fi

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