Close-up of Mimas
This image of Saturn's moon Mimas was taken by NASA's Cassini spacecraft on February 13, 2010. It reveals the heavily cratered surface of a moon that is 246 miles (396 km) in diameter. Saturn's clouds can be seen in the background. The most distinctive feature on Mimas is a giant impact crater called Herschel, named after the moon's discoverer. This giant crater is a whopping 81 miles (130 kilometers) in diameter and is over 6 miles (10 kilometers) deep. It is nearly a third of the entire moon's diameter. The impact that created it nearly destroyed the entire moon.
NASA / JPL / Space Science Institute
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