NASA is calling off attempts to find its Deep Impact comet probe after a suspected software glitch shut down radio communications in August, officials said on Friday.
The spacecraft was launched in January 2005 for a close-up study of Comet Tempel-1.
It was not just a passive experiment. The probe released an 820-pound (372-kg) metal slug that crashed into the comet’s nucleus, triggering a shower of particles for analysis by the mother spacecraft and remote observatories.
Deep Impact …
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