3 ms·
No mention in TFA of O'Neil cylinders or other near-earth space settlements. To me, these options must be mentioned in the same breath as "Not Mars", because we
by bckr 4y ago
No mention in TFA of O'Neil cylinders or other near-earth space settlements. To me, these options must be mentioned in the same breath as "Not Mars", because we do need to escape the cradle.