星空的琴弦:10恒星不恒 episode artwork

EPISODE · Jun 25, 2016 · 24 MIN

星空的琴弦:10恒星不恒

from 汪诘:科学有故事(主打)

从亚里士多德直到托勒密的将近 2000年中,人们认为恒星不但是位置固定不动,而且他们的数量也是恒定不变的,都一个萝卜一个坑地嵌在恒星圈层上,所有的人都对此深信不疑。但是这个观念,在 1572年开始发生了改变,那年发生的一个奇特天象使得欧洲的天文学界开始意识到恒星未必就真是一成不变的。

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星空的琴弦:10恒星不恒

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