Stargazers 在線電子書 圖書標籤:
發表於2024-09-12
Stargazers 在線電子書 pdf 下載 txt下載 epub 下載 mobi 下載 2024
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.
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Stargazers 在線電子書 pdf 下載 txt下載 epub 下載 mobi 下載 2024