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pfdietz
on Oct 13, 2024
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Starship Flight 5: Launch and booster catch [video...
There are no dollars in the laws of physics. It's connected ultimately to productivity of all the activities involved, and there's no obvious upper bound to productivity.
WalterBright
on Oct 13, 2024
[–]
There's the rocket equation.
https://en.wikipedia.org/wiki/Tsiolkovsky_rocket_equation
pfdietz
on Oct 13, 2024
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Which doesn't have dollars anywhere in it.
WalterBright
on Oct 13, 2024
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The point of the rocket equation is there are hard physical limits on what rockets can do, and dollars won't change it.
pfdietz
on Oct 13, 2024
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That's nice. It doesn't imply a lower bound for costs, just of ratios of costs.
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