Basking in the glow of the bright supergiant star Rigel, the Witch Head Nebula trails like a puff of smoke through the Eridanus constellation about 700 light years away.
在明亮的超巨星参宿七的照耀下，女巫头星云的尾部就像一阵烟，穿过700光年远的波江座。
In fact, the practice is common in the universe and illustrated by this striking pair of interacting galaxies from the Banks of the southern constellation Eridanus (the River).
实际上，这种现象在宇宙中很普遍，图中南天星座波江座(河流星座)河岸中这醒目的一对相互作用星系就是例子。
Epsilon Eridani is located about 10 light-years away in the constellation Eridanus and is visible in the night skies with the naked eye.
Epsilon Eridani位于波江星座以外10光年的地方，地球的夜空中目力可及。
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