Helix nebula or NGC 7293, one of the brightest & closest planetary nebula, has complex geometrical structures, including radical filaments & extended outer loops. via /r/spaceporn http://bit.ly/2Su37EH
via Tumblr http://bit.ly/2RZvJR5
Helix nebula or NGC 7293, one of the brightest & closest planetary nebula, has complex geometrical structures, including radical filaments & extended outer loops. via /r/spaceporn http://bit.ly/2Su37EH
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