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Researchers Discover Source of Moon's Magnetism

January 21st, 2009 Leave a comment Go to comments

DailyTech – Researchers Discover Source of Moon’s Magnetism .

Moon rock harvested by Apollo astronauts unveils secret of Moon’s magnetism

One of the big questions that have stumped scientists since the early exploration of the moon is why lunar rocks are magnetic. Earth’s magnetic field is produced by its rotating, iron core; something that the moon lacks.

Scientists at MIT believe they have finally solved the mystery. The scientists believe that about 4.2 billion years ago the moon had a liquid core that produced a strong magnetic field, similar to what the Earth has today.

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