NASA's plans for a permanent lunar base face the threat of up to 23,000 micrometeoroid impacts per year travelling at speeds of 70 kilometres per second. A new study quantifies this relentless bombardment for the first time, revealing that even microscopic particles carry enough energy to puncture equipment and even threaten astronaut safety. The research shows impact rates vary dramatically by location with the lunar south pole, NASA's chosen site for the first Artemis base, fortunately experiencing the lowest bombardment.
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