Jeff Bezos, the second richest man in the world, successfully blasted off a 320-foot-tall rocket ship via his Blue Origin company from Cape Canaveral, Florida, in the early hours of the morning.

Richard Branson’s flight on Sunday aboard a Virgin Galactic Holdings Inc. spaceship will be followed by Jeff Bezos’s rocket trip with Blue Origin LLC on July 20.

Longman has his own concept for space habitats designed to house just 8,000 people. While he thinks that building a massive station like what Bezos imagines is more realistic, it's too big to be ...