The reason it's hard to get to orbit isn't that space is high up -- it's because you have to go so fast. https://t.co/ZcAdtUFMbd
— Douglas Allen (@DouglasHAllen) October 22, 2017
from Twitter https://twitter.com/DouglasHAllen
Sunday, October 22, 2017
The reason it's hard to get to orbit isn't that space is high up -- it's because you have to go so fast. https://t.co/ZcAdtUFMbd
from Twitter https://twitter.com/DouglasHAllen
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