Space
One Mars rover gets stuck in, the other chills out
Opportunity becomes bogged down in treacherous soil 鈥� though a quick escape looks likely 鈥� while Spirit patiently waits out the harsh Martian winter
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Opportunity becomes bogged down in treacherous soil 鈥� though a quick escape looks likely 鈥� while Spirit patiently waits out the harsh Martian winter
Volcanism or meteorite impacts 鈥� and not standing water 鈥� could be responsible for sulphate sediments detected by the Mars rovers