Why does a space shuttle heat up more entering the earth than exiting.

Question

I’ve got an uncle that constantly posts conspiracy theories all the time, latest one is
‘The shuttle heats up during reentry at speeds of 16,700 mph’
‘But while leaving earth at speeds of 25,000 mph there’s no heat?’

In: Physics

Answer 1

It has to do with air friction and the planets atmospheric pressure in relation to the mass of the craft