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In a clean room at NASA’s Jet Propulsion Laboratory in Southern California, engineers observed the first driving test for NASA’s Mars 2020 Perseverance rover on Dec. 17, 2019. (NASA/JPL-Caltech)

 

In a clean room at NASA's Jet Propulsion Laboratory in Southern California, engineers observed the first driving test for NASA's Mars 2020 Perseverance rover on Dec. 17, 2019. (NASA/JPL-Caltech)

In a clean room at NASA’s Jet Propulsion Laboratory in Southern California, engineers observed the first driving test for NASA’s Mars 2020 Perseverance rover on Dec. 17, 2019. (NASA/JPL-Caltech)


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