Tuesday, January 8, 2019

Olympus Mons on Mars, the largest volcano in the solar system : almost 3 times higher than the Everest. Bet in what year a human will first reach the top of Olympus Mons ? Picture by NASA [917x1146]


http://bit.ly/2SJNcxO via /r/spaceporn http://bit.ly/2AzwHO6

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