7 of 9Image
(Image: Planetary Resources)
Planetary Resources plans to identify potentially rich asteroids, and then send robot-spacecraft to prospect for valuable resources.
Swarm of spacecraft
The company plans to send its first mining mission to an asteroid that contains water, which can be converted into breathable air, radiation shielding, and rocket fuel.
(Image: Kleck Institute)
Asteroid capture concept
NASA plans to gain resources from asteroids on a grander scale. Unmanned spacecraft will be sent to a smaller asteroid to "capture it".