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.