If these craters were all caused by impacts, give a hypothesis for why these peaks exist, and why these craters are generally round in shape. Question 7(e). Why does the rough terrain surrounding Aristarchus, called an “ejecta blanket,” suggest that it is a relatively young crater? Question 7(f). In Figure 3, only the rim of the crater Herodotus is visible. What might have happened to cause this to occur? (Note that it is in the mare beyond Aristarchus’ ejecta blanket.)

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