Planetary Nebulae Mystery Solved

Astronomers have resolved a 30-year-old argument, ruling out a one-size-fits-all mechanism for shaping some of the most beautiful objects in space – the "planetary nebulae".

Planetary nebulae have nothing to do with planets, but are enlarged glowing objects that is stars late in their lives which have shed much of their gas into space. Some appear as round blobs and can look like an eye, an ant or an hourglass.

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