RE: Piqued #8 - Solar Sails And The Future Of Space Travel

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dber (66)in #science • 8 years ago

Well we've got at least two more theoretical soace engines to cover before i move away from interstellar flight - one of them is - pardon

8 years ago in #science by dber (66)

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doubledeeyt (43) 8 years ago

ooo!

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