There are billions and billions of stars. Some are brighter than others; some twinkle; some are different colors; and some are in groups called constellations. The information here provides answers to basic questions about stars and explains how telescopes work. Some important dates in the history of stargazing are also included. Full-color illustrations.
發表於2024-09-05
Stargazers 2024 pdf epub mobi 電子書 下載
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Stargazers 2024 pdf epub mobi 電子書 下載