2015-11-24
10 indexed posts · All posts for this date, newest first.
@ID_AA_Carmack Yep, good points. I hope you get back into space some day!
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@ID_AA_Carmack Yep, good points. I hope you get back into space some day!
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But credit for 1st reusable suborbital rocket goes to X-15 https://t.co/LSb0f8FLJd And Burt Rutan for commercial https://t.co/TGWlNjsyQz
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Jeff maybe unaware SpaceX suborbital VTOL flight began 2013. Orbital water landing 2014. Orbital land landing next. https://t.co/S6WMRnEFY5
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@JeffBezos Not quite "rarest". SpaceX Grasshopper rocket did 6 suborbital flights 3 years ago & is still around. https://t.co/6j9ERKCNZl
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@TobiasVdb The F9 booster can reach low orbit as a single stage if not carrying the upper stage and a heavy satellite.
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Getting to space needs ~Mach 3, but GTO orbit requires ~Mach 30. The energy needed is the square, i.e. 9 units for space and 900 for orbit.
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It is, however, important to clear up the difference between "space" and "orbit", as described well by https://t.co/7PD42m37fZ
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It is, however, important to clear up the difference between "space" and "orbit", as described well by https://t.co/7PD42m37fZ
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Congrats to Jeff Bezos and the BO team for achieving VTOL on their booster
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