Space/Science — HabitableZone

Space/Science » in reply to F'ing freezing cold fuel tanks...

re: freezing cold fuel tanks...

Almost any non-nuclear system that can get anything done in deep space will probably need hydrogen/oxygen.

You can get servicable Earth-to-orbit transport with oxygen/kerosene.

Non-cryogens that have any decent performance--Titan II is an example--are poisonous, nasty, and incredibly expensive.

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