Earth 40 of the Most Eye-Opening Photos from NASA’s Perseverance Mission To Mars - Earth.com

White-suited engineers and scientists are working in a so-called clean room at NASA’s Jet Propulsion Laboratory. It’s December 2019, and they’re giving Perseverance its very first driving test. The NASA staffers have rigged up a crude but effective route to check the rover’s systems and mobility. We hope it passed with flying colors!

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