Many Skies: Alternative Histories of the Sun, Moon, Planets, and Stars by Arthur R. Upgren

Many Skies: Alternative Histories of the Sun, Moon, Planets, and Stars

Arthur R. Upgren

198 pages first pub 2005 (view editions)

nonfiction science informative reflective medium-paced
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What if Earth had several moons or massive rings like Saturn?  What if the Sun were but one star in a double-star or triple-star system?  What if Earth were the only planet circling the Sun?  These and other imaginative scenarios are the subject o...

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