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天文随心听|讲述宇宙与人的故事

旅行者1号与地球近了,3天缩短100万千米?

11 Feb 2020

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太阳系外星际空间,空旷而又漆黑,数亿公里范围内可能见不到一个天体,因为星系与星系间距离是那么遥远,近则数光年,远则数亿光年,所以星际空间并没有我们在地球上看到那么壮观,由无数天体组成的星辰大海。而一艘42年前发射的飞船却飞行在这片太空中,看起来是那么孤单,它的前方是银河系超级黑洞,它的后方是太阳和地球。

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