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腾讯网
22 小时
哈勃望远镜击中了“靶心”,这是一个拥有破纪录的9个环的星系
尽管这个星系的规模很大,但捕捉到这张照片证明了这是一个不小的壮举。靶心(亲切地说)距离地球5.67亿光年,这使得它成为一个相当遥远的物体,无法详细捕捉。但哈勃在星系成像方面经验丰富,最近的图像显示,靶心周围的环比以前已知的要多。
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