Unexpected obstacle: A 28.6-pound Martian rock named Atacama became lodged on Curiosity’s drill during a routine sampling operation. Careful engineering: NASA engineers used repeated vibrations, ...
NASA's Perseverance rover had a tough time extricating a drill bit from a rock it was trying to sample last week. Credit: NASA / JPL-Caltech / ASU NASA's Perseverance rover almost had to let ...
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