Discussion on question by Jarred Allen: How would people conceivably escape a planet too large for chemical rockets?
Discussion on question by Jarred Allen: How would people conceivably escape a planet too large for chemical rockets?
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Imported from a comment discussion on https://worldbuilding.stackexchange.com/questions/104713/how-would-people-conceivably-escape-a-planet-too-large-for-chemical-rockets
first message | 2018-02-16 |
last message | 2549 days ago |
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