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.
这个美丽的螺旋状星系位于孔雀星座以南，它看起来完全就是我们的银河系的翻版，但却有它的两倍大。
The beautiful spiral galaxy, located in the southern constellation Pavo (the Peacock), is a virtual copy of our own Milky Way, though about twice as big.
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