The nearer High Frontier (was The ability to build new land) Forum: Spacesettlers
Thread: The nearer High Frontier (was The ability to build new land)
# 12628 bybhn1700@... on Aug. 16, 2012, 3:30 p.m.
Member since 2021-10-03
Ammonia from comets, then small icey moons, then large icey moons, then Venus which has 4 times the N2 in its atmosphere then Earth, and finally the ice giants Neptune and Uranus.
Brooks