geomagnetic reversal

Related to geomagnetic reversal: Geomagnetic field

geomagnetic reversal

A change in the earth's magnetic field resulting in the switch in position of the earth's magnetic north and south poles. Also called magnetic reversal.

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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magnetic reversal

References in periodicals archive ?

A geomagnetic reversal would be very bad news, but it would not spell the end of humankind.

Earth's Changing Magnetic Field

A relatively stronger present-day field helps explain why Earth hasn't had a geomagnetic reversal for 780,000 years, says geophysicist Peter Driscoll of the Carnegie Institution for Science in Washington, D.C.

Magnetic poles not about to flip: earth's weakening field is a return to normal, study finds

GEOMAGNETIC REVERSAL HIS one is a bit mind-bending and ill ruin every scout's Christmas.

Apocalypse later; WE SURVIVED! BUT HERE'S MORE TO WORRY ABOUT .

GEOMAGNETIC REVERSAL The magnetic North Pole flips from north to south every few hundred thousand years.

IT'S NOT THE END OF THE WORLD. NOT YET; OK, those morose Mayans got the whole apocalypse thing wrong.

Scientists think this will lead to a geomagnetic reversal when the north and south magnetic poles flip, with profound consequences for life on earth.

Apocalypse

Their MHD model had produced a geomagnetic reversal entirely on its own, without any provocation from the experimenters.

Core concerns: the hidden reaches of Earth are starting to reveal some of their core secrets

This in turn speeds up the earth's rotation, disrupting the flow patterns of the liquid core and changing the geomagnetic reversal rate.