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But it would make a cool joint project for NASA and the NSF to fund. Capture a comet big enough that you could mine enough water to make a cubic kilometer sized

But it would make a cool joint project for NASA and the NSF to fund. Capture a comet big enough that you could mine enough water to make a cubic kilometer sized detector in Earth orbit.

BurningFrog 8y ago
That could probably also wipe out half a continent if you mis-aim it... Then again, it would look spectacular in the sky!