NASA's Opportunity Mars rover was built to operate for just 90 days, but kept going for 15 years. NASA officially declared it dead on Wednesday, and its last message to scientists before it went dark ...
NASA’s Opportunity rover spent nearly 15 years exploring Mars, rewriting expectations for robotic space missions and uncovering evidence that the Red Planet may once have supported microbial life.
NASA's Opportunity rover, which spent the last 15 years exploring Mars, was declared officially dead Wednesday. NASA/JPL-Caltech via AP NASA's Opportunity Mars rover was built to operate for just 90 ...
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