Space
Rover hunts Halley’s comet in Martian sky
NASA's rover Spirit turns its gaze skyward in an attempt to spot a meteor shower caused by the debris shed by the famous comet
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NASA's rover Spirit turns its gaze skyward in an attempt to spot a meteor shower caused by the debris shed by the famous comet
The first detailed study of the Red Planet's thermal history reveals a forbidding, frozen world where life may never have taken hold