A commercial space planes near liftoff. Hear about it at Urban Legends and Stranger truths. The world's first commercial space planes nearly ready to fly. Getting humans safely from orbit to Earth is difficult. As spacecraft hit the atmosphere at orbital speeds, friction heats them up to thousands of degrees. Now the usual solution is to drop astronauts in a heat proof capsule before opening a parachute. While it works, it's effective, but it's bumpy. Sierra space, which is a us