Gizmodo
A Strange Rock on the Moon’s Far Side May Help Solve a Decades-Old Magnetic Mystery
If true, it means our satellite once had its own magnetic field—and lost it over the course of astronomical history.
Via Gizmodo
·Excerpt
Today, the Moon has a very weak magnetic field—but did it always? This is something scientists have long debated. Some have theorized that the Moon did have its own magnetic field—a dynamo—some billions of years ago. Others disagree, saying the evidence doesn’t hold up. New observations from the Moon’s far side may finally settle the debate.
A review of archived lunar observations discovered a large, strongly magnetized rock in the Dewar region on the far side of the Moon. According…
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