后发星系团X射线发射的性质仍在查证中。
The nature of Coma's X-ray emission is still being investigated.
这张照片中的后发星系团是已知最密集的星系团之一——包含了数千个星系。
The Coma cluster of galaxies pictured above is one of the densest clusters known - it contains thousands of galaxies.
后发星系团及其它星系团的许多星系是椭圆星系，而星系团外面的许多星系是旋涡星系。
Most galaxies in Coma and other clusters are ellipticals, while most galaxies outside of clusters are spirals.
可能是因为这个星系（NGC 4911）正被拉扯进巨大的后发座星系团之中。
Possibly because the galaxy, NGC 4911, is being pulled at by its neighbors as it falls into the enormous Coma Cluster of Galaxies.
可能是因为这个星系（NGC 4911）正被拉扯进巨大的后发座星系团之中。
Possibly because the galaxy, NGC 4911, is being pulled at by its neighbors as it falls into the enormous Coma Cluster of Galaxies.
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