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NASA's Perseverance rover now has its own 'GPS' on Mars: 'We've given the rover a new ability'
NASA's Perseverance rover can now pinpoint its exact location on Mars without help from Earth, paving the way for longer, more autonomous exploration.
Imagine you're all alone, driving along in a rocky, unforgiving desert with no roads, no map, no GPS, and no more than one ...
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