3965350
9780060168643
Comins demonstrates the importance of the moon to Earth's structure by contrasting our world to hypothetical Earths where there is no moon, the moon is closer to the Earth, and other scenarios.Neil F. Comins is the author of 'What If the Moon Didn't Exist?: Voyages to Earths That Might Have Been' with ISBN 9780060168643 and ISBN 0060168641.
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