http://www.newsweek.com/how-enter-virgin-galactic-omaze-sweepstake-go-space-richard-branson-1608705

Virgin Galactic has teamed up with a fundraising organization to offer two seats on a future sub-orbital spaceflight.

The seats are being offered via a sweepstake hosted by Omaze. The two seats up for grabs—one for the winner and one for a guest—are estimated to be worth $510,000 in total.