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Sunday, December 10, 2017

Encounter of Comet C/2013 X1 and Helix Planetary Nebula...



Encounter of Comet C/2013 X1 and Helix Planetary Nebula [1200x834] via /r/spaceporn http://ift.tt/2kSU1Bq



via Tumblr http://ift.tt/2yVRxXx

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