Questions, comments, corrections

Hans of Wavelength Brewing (plus a million others): The speed of sound actually decreases with altitude.

Landing legs are actually pneumatic ( NSF )

Ben Hallert via email (first but not last): The first ASAT test was performed using an F-15, not an F-16.

Chris Radcliff on #blanketfort: why would the refly a 1.1?

/u/nerobro : The amount of weight on each wheel is about the landing weight of the Falcon 9.

/u/evilteddy : on the radiative cooling of objects