A great deal of the energy that needs to be bleed off during re-entry of a forme...

jlgreco on Oct 9, 2012 | parent | context | favorite | on: Supersonic free fall from 120,000 feet live at 8:3...

A great deal of the energy that needs to be bleed off during re-entry of a formerly orbiting spacecraft is the kinetic energy it had from basically moving sideways at an incredible speed.