- Apr 18, 2010
Ice.Long term. Refueling off earth for one or two sure, negligible... long term though, having to send up payloads of fuel not only to get there, but to launch off mars and return, eish... the plan is building rocket fuel plant on moon to fuel everything... sure, still need to send up peeps from earth, but fuel required to send up 100kg person vs thousands of tons of fuel... yeah, if we plan to have any colonisation of mars only feesible way to do it is mine moon and fuel from there.... until we get control of gravity that is
It’s on the moon *and* it’s on Mars. Sure, how you mine it and process it is different, but why would we need to fill-up for a round-trip at the moon when we can top-up on Mars?
Long term of course...