The Mars Exploration Rover (MER) Surface System Test-Bed (SSTB) is nearly identical to the MER twin rovers Spirit and Opportunity that landed on Mars in 2004. Photo by Mark Avino, Smithsonian National Air and Space Museum (NASM2020-00501).
Photographer:
Mark Avino
ID#:
NASM2020-00501
Source:
Copyright, all rights reserved. Courtesy of the Smithsonian’s National Air and Space Museum