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Curiosities of the Sky
Long before figures like Carl Sagan and Neil deGrasse Tyson simplified astronomy for popular consumption, Garrett P. Serviss was traveling the United States with an early version of a PowerPoint presentation to teach people about eclipses, the orbit of the planets, and other celestial concepts. This basic introduction to the subject is simple and enjoyable enough to ensure that science-phobes or young readers won't be turned off.
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