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Glossary term: 地心說

Description: 早期的宇宙模型是地心說,把地球置於宇宙中心,月球、太陽和行星相對於 "固定 "恆星圍繞地球運動。在古代的許多文化中,地心說與把太陽置於中心的日心說並存。托勒密體系是一個頗具影響力的地心模型,它以公元 2 世紀的天文學家克勞迪烏斯-托勒密的名字命名。在歐洲、北非和中東地區的一千多年裡,它一直是最著名的宇宙模型。16 世紀晚期,人們開始轉向日心說,這個學說通常與尼古拉斯-哥白尼(Nicolaus Copernicus)這一名字聯繫在一起。今天,我們知道太陽系只是眾多此類系統中的一個,當然也不是宇宙的中心。實際上,對天空的地心描述仍在使用,但只是作為一種計算在特定時間從特定地點可以看到哪些天體的方法。

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