Space/Science — HabitableZone

Space/Science » in reply to Not that many people required for a Mars colony

Supertanker sized spacecraft

Orion-type craft have been proposed as large as 8 million tons (!), which qualifies it as "supertanker sized". This might be a little optimistic, but the potential for very large and relatively inexpensive vehicles is there. Can you imagine the Mars expedition you could do with 8 million tons?

http://www.angelfire.com/stars2/projectorion/orionsosed in the

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