Photo: Volcanoes Rocked Dark Side of the Moon



Craters dot the surface of a lunar mare, or basalt sea, on the dark side of the moon.

By counting craters, scientists have determined that volcanoes were active on the dark side of the moon far later than previously thought, according to a November 2008 study. The fewer craters on a surface, the younger it is.

Image courtesy of Science/AAAS


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