2015-04-06, 09:55
Theoretical study suggests huge lava tubes could exist on moon
Lava tubes large enough to house cities could be structurally stable on the moon, according to a theoretical study.
http://feeds.sciencedaily.com/~r/science...215343.htm
Lava tubes large enough to house cities could be structurally stable on the moon, according to a theoretical study.
http://feeds.sciencedaily.com/~r/science...215343.htm