Steps in Slipher S
Boulders are a common feature on the Moon, in and out of craters. These boulder steps occur within the crater floor of Slipher S, an Eratosthenian crater. Slipher S's floor is uneven and covered with impact melt. These boulders were likely created in the Slipher S impact event, while at the same time they were covered by impact melt. The uneven topography of the crater floor provides many sloped surfaces for the boulders to weather out of, and in this case has caused steps to form!
Look for more boulders and impact melt in the full LROC NAC image!
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