Heather Oravec, research associate professor stationed at the NASA Glenn Research Center, holds a spare aluminum tire for the Mars Curiosity rover in the Simulated Lunar Operations Lab in Cleveland on Sept. ,9, 2019. Oravec's research in extraterrestrial soil mechanics and extraterrestrial surface mobility helps in developing new tires for off world vehicles and rovers. (Mike Cardew/Akron Beacon Journal via AP)
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