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The far side of the Moon provides clues to a previous magnetic field

23 points • by croes • today at 7:49 AM • 1 comment • view on HN

Comments

hnd9q09qk4 • today at 10:31 AM

Lunar paleomagnetism is such a pain to work with because the samples get shocked and heated on the way out, so you never quite know if you're reading the ancient field or the impact that launched the rock.