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0 pointsryanmarsh5y ago0 comments

Yes, but what? You have to lift that mass to orbit. What mass boils off with greater energy than, say, mass that combusts?

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You don't necessarily need to lift that mass to orbit for interstellar flight.

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0 pointsryanmarsh5y ago0 comments

Yes, but what? You have to lift that mass to orbit. What mass boils off with greater energy than, say, mass that combusts?

You don't necessarily need to lift that mass to orbit for interstellar flight.

j / k navigate · click thread line to collapse