The_full-scale_engineering_model_of_NASA's_Perseverance_rover,_OPTIMISM_Rover.jpg

Summary

Description	English: The full-scale engineering model of NASA's Perseverance rover has put some dirt on its wheels. This vehicle system test bed (VSTB) rover moved into its home — a garage facing the Mars Yard at NASA's Jet Propulsion Laboratory in Southern California — on Sept. 4, 2020. It drove onto simulated Martian surface of the Mars Yard — a dirt field at JPL studded with rocks and other obstacles — for the first time on Sept. 8. The VSTB rover is also known as OPTIMISM (Operational Perseverance Twin for Integration of Mechanisms and Instruments Sent to Mars).
Date	Taken on 8 September 2020
Source	https://www.nasa.gov/feature/jpl/nasa-readies-perseverance-mars-rovers-earthly-twin ; see also https://photojournal.jpl.nasa.gov/catalog/PIA23966
Author	NASA/JPL-Caltech

This image or video was catalogued by Jet Propulsion Laboratory of the United States National Aeronautics and Space Administration (NASA) under Photo ID: PIA23966 .

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