Added: 3 years ago
From: AstronomyOnline
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  • is this a galaxy?

  • its a star that has exploded millions of light-years away

  • @Pepqo1 Please be easy on Drew1942, Pepqo1. He did'nt know. There was no need to come out like that. Please don't do that again. I don't like rude comments.

  • No. This is the remnants of a star that has expanded it's outer layers in the end of it's life span to form this shell like appearance around the core of the star, which can be seen vaguely in the middle of the shell of gas, which is the remaining thing that exists of the star itself. Hence the name planetary nebula.

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