We have no meanings for "planetary rovers" in our records yet.
1 They could work, perhaps, as part of planetary rovers .
2 The Soviet Union had demonstrated planetary rovers at scientific meetings in the U.S. beginning about 1987.
3 Darpa launched its program in 1997 under the leadership of Eric Krotkov, a former Carnegie-Mellon roboticist and an expert in planetary rovers .
4 Nasa has sent these sophisticated planetary rovers 34m miles across the solar system to take pictures that look just like the wild west.
5 This was a problem for the first unmanned planetary rovers : the Soviet Union's two Lunokhods, which landed on the moon in 1970 and 1973.
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