It lives through the ‘most violent phase of the solar system’s collision-prone past’ according to the Southwest Research Institute, but imagery shows only 16 craters bigger than 62 miles (100 km) wide.
from Space.com ift.tt/2au38zG
It lives through the ‘most violent phase of the solar system’s collision-prone past’ according to the Southwest Research Institute, but imagery shows only 16 craters bigger than 62 miles (100 km) wide.
from Space.com ift.tt/2au38zG
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