It's called GW Orionis. And it's freshly formed-only a million years old.

这个星系名为GW Orionis。它是新形成的，只有100万年的历史。

The stars in any constellation are given Greek letters in order of their brightness, so we have Alpha Orionis, the brightest star in Orion, then Beta, and so on.

任何星座的星星都是用希腊字母排序的，所以我们有猎户座α星（最亮的一颗），然后是β星，等等。

It's being eroded by a star called Sigma Orionis, off the top of the frame here, and that's also making the gas behind it glow in that sharp ridge.

它被一颗叫做参宿增一的恒星侵蚀，就在这幅图的顶部，这也使得它后面的气体在尖锐的山脊中发光。