The key difference from Euclidean geometry is that a circle of radius \(r\) has circumference \(2\pi\sinh r 2\pi r\), and volumes grow exponentially rather than polynomially: \[\operatorname{Vol}(B(r)) = \operatorname{Vol}(S^{n-1})\int_0^r \sinh^{n-1}(t)\,dt.\]
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"There has to be a better way in line with our history," Isaacman said. "We did not just jump right to Apollo 11. We did it through Mercury, Gemini, and lots of Apollo missions, with a launch cadence every three months. We shouldn't be comfortable with the current cadence. We should be getting back to basics and doing what we know works."
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