Jeff Bezos, the founder of Amazon, has announced that he will travel to space alongside his brother on Blue Origin's first human mission.
Mr. Bezos said in an Instagram post that space flight was something he'd wanted to do "all my life."
A seat in the capsule is also up for auction, with the winner joining the couple on the first manned voyage.
Jeff Bezos is one of the wealthiest persons on the planet.
According to Forbes magazine, he is worth $186.2 billion (£131.5 billion).