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Thursday, October 17, 2019

Interstellar visitor, Comet 21/Borisov . It has come from beyond...



Interstellar visitor, Comet 21/Borisov . It has come from beyond our solar system. via /r/spaceporn https://ift.tt/2J0b7pT


from Tumblr https://ift.tt/31pXvef

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