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A comment on Starship Update. Parent comment

Re:Starship Update by avs733 on Saturday September 28, 2019 @09:42PM (#21104435)
I'm gonna go with citation/mathematics needed.

Spaceflight is about velocity and energy.

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Re:Starship Update by cbanek on Saturday September 28, 2019 @09:53PM (#21104481)
https://en.wikipedia.org/wiki/Tsiolkovsky_rocket_equation

It's also about gravity, since gravity is what you are fighting against.

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