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Space
Space
Science
Stephen DiKerby

The moon is getting slightly farther away from the Earth each year — a physicist explains why

A photo of the Earth in the darkness of space with the surface of the moon in the foreground of the image.

This article was originally published at The Conversation. The publication contributed the article to Space.com's Expert Voices: Op-Ed & Insights.

The moon is getting 1½ inches (3.8 centimeters) farther away from the Earth every year.

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