Amazon founder Jeff Bezos envisions "millions" of people living in orbit as his exploration company, Blue Origin, and other commercial ventures develop spacecraft to make travel more widely available.

Investment from wealthy entrepreneurs with a passion for space will usher in a new era that makes leaving the Earth's atmosphere accessible to anyone, Bezos said Tuesday. Earlier, he announced that Blue Origin will put $US200 million ($280 million) into a new rocket assembly facility and launch site in Cape Canaveral, Florida.

"Our ultimate vision is millions of people living and working in space," Bezos said during a rare, 30-minute interview in Florida with reporters after the Blue Origin announcement. "We have a long way to go."

To read more and view the video, click here.