大家在查：彗状星云激变前双星激发星极向恒星几何变星厚盘族厚盘恒星复合体哈佛选区光学臂

彗形球状体

彗形球状体

彗形球状体

彗形球状体

2

This globule, however, has ruptured. Cometary globules are typically characterized by dusty heads and elongated tails .

彗形球状体具有典型的特征尘埃状的头部和长长的尾巴。

3

These features cause cometary globules to have visual similarities to comets , but in reality they are very much different .

这种特征让彗形球状体看起来就跟彗星一样，但在现实情况下它们有很多不同。

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