Most of the time, the shape of Earth’s magnetic field is quite similar to that which would be produced by a bar magnet aligned with the planet’s rotation axis. This is what makes a magnetic compass ...
Ancient volcanic rocks reveal how two giant hot regions beneath Africa and the Pacific have shaped Earth's magnetic shield.
Magnetism on the moon has always been a bit confusing. Remote sensing probes have noted there is some magnetic signature, but far from the strong cocoon that surrounds Earth itself. Previous attempts ...
USGS and NASA have recently teamed up to create one of the most complete databases of magnetic properties of Earth’s rocks ever assembled. Satellite data of Earth's magnetic field combined with ...
Unlike Earth, the Moon doesn't have much of a magnetic field – and yet, a strange pile of rocks on the far side seems mysteriously magnetized. A new study suggests that a major cataclysm, over and ...
For decades, scientists have been trying to understand why some rocks on the moon are strongly magnetized even though the moon has no magnetic field today. Moon rocks brought to Earth during NASA's ...
Surrounding Earth is a powerful magnetic field created by swirling liquid iron in the planet’s core. Earth’s magnetic field may be nearly as old as the Earth itself – and stands in stark contrast to ...
A technique for studying the magnetic properties of rocks developed by earth scientists at UC Davis is drawing attention from other scientists and the magnetic recording industry. A technique for ...
Rock record: visualization of the thermomagnetic behaviour of magnetite grains. (Courtesy: Imperial College London) The vortex-like structures in grains of magnetite can reliably preserve magnetic ...
The moon may have had a magnetic field for at least a billion years longer than we thought. A moon rock brought back to Earth by Apollo 15 astronauts in 1971 shows the signature of a magnetic field ...
An ancient asteroid impact may be to blame. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. For decades, scientists have been trying to ...
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