Hong Kong, July 28 -- Richard Branson has done it, and so has Jeff Bezos. And now, thrill-seekers might soon be able to get their turn for adrenaline kicks - and envy-inducing Instagram snaps - from the final frontier, as space tourism finally lifts off. All you'll need is a bit of patience. And a lot of money.

Here's a rundown of where things stand if you're hoping to become a space tourist soon. The Virgin Galactic SpaceShipTwo space plane Unity and mothership separate as they fly way above Spaceport America, near Truth and Consequences, New Mexico. (Image: Patrick T. Fallon/ AFP) Who's offering spaceflights?

Two companies are offering short "suborbital" hops of a few minutes: Jeff Bezos' Blue Origin and Virgin Galactic, founded by Ri...