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NASA's hefty Martian rover will use an AI brain on a robot arm to map out signs of ancient life on Red Planet

james 68

"During the day, the temperature on the Red Planet can fluctuate by up to 38°C. The added heat can cause the metal on Perseverance's robotic arm to expand and contract by up to 13 millimetres"

Expansion of 13 millimeters over a temperature differential of just 38°C? doesn't that seem a little extreme? I would expect a deviation of around 1.3 mm not 1.3 cm.

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