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NASA's Perseverance rover has successfully landed on Mars! But how do you prevent microbes from Earth from contaminating the red planet? This NASA scientist, who worked on the #Perseverance mission, explains.PRODUCTION CREDITS:Producer/Editor: Ari DanielProducer/Director: Terri RandallProduction Assistance: Jedd EhrmannCamera: Kevin StevensonSound: Timothy KitzProduction Coordinator: Steven ReichArchival:NASANASA 360NASA/JPL-Caltech,NASA/Michelle StoneNASAs Goddard Space Flight CenterStoryblocksMusic: APM WGBH Educational Foundation 2021