10 surprising lunar facts

Published On: Jul 11 2014 11:43:27 AM CDT   Updated On: Sep 24 2015 10:25:19 AM CDT

The night of September 27-28 will showcase a lunar eclipse coupled with a "supermoon" -- a full moon that appears larger because it's at perigee, the closest point of its orbit with Earth. The concurrence is relatively rare, having not happened since 1982. Prep yourself for the event by checking out 10 surprising facts about Earth's closest neighbor.

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Origins -- According to the leading theory, the moon was created when a rock the size of Mars slammed into Earth about 4.5 billion years ago.

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