
Readers ponder Opportunity’s future, animal consciousness and more
Author: Science News Staff / Source: Science News NASA’s Opportunity rover explored Mars for more than a decade until a dust storm last year led to its demise, Lisa Grossman reported in “After 15 years on Mars, it’s the end of the road for Opportunity” (SN: 3/16/19, p. 7).
Reddit users had a lot
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