Science
NASA’s Perseverance Mars rover has an Earth twin named Optimism – CNET
“Optimism” may be one of the greatest acronyms NASA has ever dreamed up.
Optimism, the Earth twin of Perseverance, went for its first test-drive in early September 2020.
NASA/JPL-Caltech
NASA’sPerserverance rover launched in July on a multimonth journey to Mars. It’s a bit like sending your kids off to college, except you’ll never see them again. But NASA scientists back on Earth can still enjoy the company of Optimism, Perseverance’s twin.
The NASA Jet Propulsion Laboratory (JPL) said on Friday that the full-scale engineering model of the rover passed its first d…
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