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From left, actor Chris Evans, NASA's Perseverance Mars rover Surface Mission Manager Jessica Samuels, and NASA astronaut Tom Marshburn are seen in front of the rover model at the agency's Jet Propulsion Laboratory in Southern California on June 6, 2022. Evans visited JPL to learn more about space missions after starring as the lead voice in the space-themed movie "Lightyear." A key objective for Perseverance's mission on Mars is astrobiology, including the search for signs of ancient microbial life. The rover will characterize the planet's geology and past climate, pave the way for human exp…
