Some of these stellar puffballs are almost round, resembling huge soap bubbles or giant planets (hence the name), but others, such as NGC 5189 are more intricate.

这种星云有的像巨大的气泡或者圆形的巨行星（由此得名），但像NGC 5189那样的则极为复杂。

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Some of these stellar puffballs are almost round, resembling huge soap bubbles or giant planets (hence the name), but others, such as NGC 5189 are more intricate.

这种星云有的像巨大的气泡或者圆形的巨行星（由此得名），但像NGC 5189那样的则极为复杂。

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