The Hard Part About Getting To Orbit Isn't The Height
发布时间 2014-01-29 17:53:57 来源
摘要
http://tomscott.com - @tomscott - (YouTube ate this first time around, so I've reuploaded it.) From the flame trench of Launch Complex 39 at the Kennedy Space Centre, under the pad from which the Apollo astronauts went to the moon, here's the reason that orbit is so damn hard to get to.
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