Curiosity Rover selfie

Science & Technology

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Astrobiologist Sarah Stewart Johnson is a NASA scientist who has spent her career searching for answers to profound human questions. She helped design America's newest interplanetary, robotic life hunter on Mars called Perseverance, which launched on July 30.

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NASA's Curiosity Mars rover took this selfie on May 12, 2019 (the 2405th Martian day, or sol, of the mission). 

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