First prize is $ 20 million for the group that can land a lunar rover —
an unmanned robotic probe — on the Moon, take it on a 500 - metre trek and broadcast video back to Earth by 31 December 2012.
Unmanned Space
Probes Explore the Solar System (1959 - Present) NASA has sent numerous robotic space probes to various places in the solar s
Probes Explore the Solar System (1959 - Present) NASA has sent numerous
robotic space
probes to various places in the solar s
probes to various places in the solar system.