AnotherDilbert
SOC-14 1K
At say 50 km altitude the atmosphere is basically gone, but gravity is still over 99% of surface gravity.
You have to achieve close to orbital velocity IN the atmosphere, because out of the atmosphere is too late, the ship will fall back again.
What's the drag on a Mach 20 brick?
You have to achieve close to orbital velocity IN the atmosphere, because out of the atmosphere is too late, the ship will fall back again.
What's the drag on a Mach 20 brick?