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What If Earth and Moon Switched Sizes?
Imagine for a moment that Earth suddenly shrank to the size of the Moon, while the Moon expanded to the size of Earth. How would life on our planet change? Could humans survive this dramatic cosmic ...
The Nature Network on MSN
Why the moon is slowly moving away from Earth
That misalignment means the tidal bulges pull on the Moon gravitationally, which gradually speeds up the Moon’s orbit. When ...
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) ...
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