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星星運轉的周期
Nov 19th 2013, 13:42

你的題目給的不夠詳細,照理來說星星不會轉,你看到星星會轉是因為地球會自轉,星星繞天空一圈為一天,但是每天星星的位置會有些微的不同,因為地球邊在自轉也在公轉,而北極星永遠不會動,地球地軸剛好通過北極星。

參考資料:

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