At top center is NGC 7319 and the compact galaxy group known as Stephan's Quintet.
在中间上部是NGC 7319和被称为斯蒂芬五重星系的致密星系群。
This illustration compares the Milky Way with a compact galaxy in the early universe.
本艺术概念图比较了一个早期宇宙的致密星系和我们银河系的大小。
The first identified compact galaxy group, Stephan's Quintet is featured in this stunning image from the newly upgraded Hubble Space Telescope.
作为首个被确定为紧密星系团的斯蒂芬五重奏，出现在这张由新升级的哈勃太空望远镜拍摄的绚丽影像中。
A new look at Stephan's Quintet, a compact group of galaxies discovered about 130 years ago and located 280 million light years from Earth. One galaxy is passing through a core of four other galaxies.
对130年前发现，距地球2.8亿光年的名为Stephan 's Quintet的一组星系重新观察：其中一个星系正通过其他四个星系的核心部分。
It is an explosion of an old compact star that is as heavy as the Sun but as small as the Earth. A single such supernova can emit as much light as a whole galaxy.
Ia型超新星是由像太阳一样重却像地球一样小的致密星爆炸而成，这样一颗超新星所发射出的光和整个银河系一样多。
One telltale sign is that black holes are often marked by a compact cluster of stars that surround them, which were pulled from the dwarf galaxy when the black hole escaped.
有证据说明，黑洞的明显标志就是它的周围经常有一群密集的恒星，这是因为黑洞从银河系逃脱的时候所造成的。
One telltale sign is that black holes are often marked by a compact cluster of stars that surround them, which were pulled from the dwarf galaxy when the black hole escaped.
有证据说明，黑洞的明显标志就是它的周围经常有一群密集的恒星，这是因为黑洞从银河系逃脱的时候所造成的。
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