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October 21, 2020, 6:48 am UTC    
August 08, 2020 10:00AM
Lava tubes on Mars and the Moon
are so wide they can host planetary bases
Università di Bologna, August 5, 2020


Paul H.

"The past is never dead. It's not even past."
William Faulkner, Act 1, Scene III, Requiem for a Nun (1951)

Edited 2 time(s). Last edit at 08/08/2020 10:04AM by Paul H..
Subject Author Posted

Lava tubes on Mars - Potential Bases

Paul H. August 08, 2020 10:00AM

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