jeff bezos blue origin plans to continue taking passengers for quick ten-minute rides into space. but his new venture is this, a sort of floating business park that will be ready in three to five years. but the coolest mission of 2022, nasa s dart. it will purposely crash into an asteroid s moon at 115,000 miles per hour next fall. the dark mission is to basically go hit an asteroid and see if we can move it. reporter: nasa hopes to use that know-how to deflect future asteroids on a collision course with earth. we have this unique opportunity to demonstrate the method and learn exactly what happens when you crash a spacecraft at high speed into an asteroid. but the u.s. is not alone. china is going big on space.
reporter: the trip, part of a fund-raiser for st. jude children s hospital where crew member hayley arceneaux was treated for cancer as a child. but with prices starting at $250,000 per seat, space tourism is still way out of reach for most of us earthlings. it s important to you that this becomes accessible to everybody. that s why we started it. i think ultimately ultimately the price will come down to a level where an awful lot of people will be able to do it. reporter: but bezos and musk aren t content with joyrides around the earth. musk s spacex has won a nasa contract for its starship to carry astronauts to the surface of the moon. that same system could eventually fly on to mars. and jeff bezos planning to build a commercial space station called orbital reef, a sort of floating business park. while the commercial space race is hot and at full throttle, the u.s. is not alone. china is putting astronauts in space, already building its own space station, with plans to pu