Why Are There So Many Craters On the Moon and What Caused the Craters On the Moon Shortly After It Was Formed?

There are hundred of thousands of craters visible on the Moon, measuring from a few feet across (craterlets) to about 150 miles across (basins or walled plains).

The craters seem to be the result of both meteorites and volcanic activity.

Most scientists agree that the Moon came under a meteorite bombardment some 4.5 billion years ago, shortly after it was formed.

Within 1 billion years, the meteorites abruptly stopped.

The Moon’s interior rapidly increased in temperature, causing massive volcanic eruptions.

While the volcanoes distorted many of the meteoric craters, they created craters of their own.

About Karen Hill

Karen Hill is a freelance writer, editor, and columnist. Born in New York, her work has appeared in the Examiner, Yahoo News, Buzzfeed, among others.

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