宇宙

我有一个蛮正经的读书群,里面卧虎藏龙。 前几天才知道有一个大哥是搞天文的,还参与了阿里原初引力波探测实验的建设(此处阿里是西藏的阿里地区,不是马云的阿里)。 大家佩服的五体投地。 说到天文,我想讲一讲我们宇宙的...

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(This narrow-angle color image of the Earth, dubbed 'Pale Blue Dot', is a part of the first ever 'portrait' of the solar system taken by Voyager 1. The spacecraft acquired a total of 60 frames for a mosaic of the sol...

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