Moon's molten, churning core likely once generated a dynamo

December 4, 2014 11:13 PM

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13 minutes ago by Jennifer Chu

When the Apollo astronauts returned to Earth, they brought with them some souvenirs: rocks, pebbles, and dust from the moon's surface. These lunar samples have since been analyzed for clues to the moon's past. One outstanding question has been whether the moon was once a complex, layered, and differ...

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