这是宇宙中的一个非常著名的螺旋状星系。

It is one of the most famous spiral galaxies in the sky.

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像银河系那样螺旋状的大星系每世纪似乎会出现两到三个。

Large spiral galaxies like the Milky Way seem to have two or three per century.

youdao

像银河系那样螺旋状的大星系每世纪似乎会出现两到三个。

Large spiral galaxies like the Milky Way seem to have two or three per century.

youdao