Produced by: Manoj Kumar
An ancient asteroid might've delivered more than a crater—new research says it briefly supercharged the Moon’s weak magnetic field, altering its surface forever in just 40 minutes.
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The Moon’s magnetic hotspots aren’t random—they cluster on the far side, near the south pole, where access is limited and mysteries are stacked like geological time bombs.
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Apollo astronauts brought home rocks that whispered of a vanished force field. Now, MIT scientists think they’ve decoded the ghostly magnetic echoes embedded in each grain.
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Forget dynamos. One massive hit may have sent a burst of plasma racing across the Moon, flipping its magnetism like a switch and leaving a geophysical fingerprint still detectable today.
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Simulations show that lunar rocks captured a fleeting magnetic surge—like a tape recording of a cosmic moment—preserved in stone since the solar system’s youth.
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Seismic waves from the impact didn’t just shake the Moon—they likely aligned the rocks’ electrons like compass needles in a storm, locking in a one-time-only magnetic event.
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The Moon’s near side holds a massive scar—the Imbrium basin. But it’s the opposite side where magnetism spikes, suggesting the real story is written in the far side’s silence.
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The Moon’s strongest magnetic imprint may have lasted less than an hour—just long enough to etch its memory into rock, and long enough to rewrite decades of lunar science.
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NASA’s upcoming Artemis missions might confirm the theory: if rocks near the lunar south pole match simulation predictions, this decades-old mystery could finally be closed.
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