The venerable Martian rover Spirit is endangered by dust. On Mars for over 1,725 "sols", dust has cut down the rovers ability to generate power to the point where engineers need to take steps to protect the rover. And...on another part of Mars, the Phoenix Lander first entered "safe mode" and then had its mission declared "finished" when it too lost too much power.

Posted by: Fred Kiesche at 08:50 AM | No Comments | Add Comment
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