The magnetic field is thought to be largely generated by an ocean of superheated, swirling liquid iron that makes up Earth’s the outer core 3000 km under our feet. It has been speculated whether the current weakening of the field is a sign that Earth is heading for an eminent pole reversal—in which the north and south magnetic poles switch places. The Earth's magnetic field is weakening and scientists don't know why Orbiting satellites and space craft, which rely on the planet's magnetism to … The Earth’s magnetic field is generated by electric currents that comes out of the mass of liquid iron swirling within the core of the planet. Earth’s magnetic field, or the geomagnetic field, is the magnetic field that extends from the Earth’s interior out into space exerting a force on the charged particles emanating from the Sun.
The reversal of poles called 'geomagnetic reversal' reportedly took place was 780,000 years ago. The Earth's magnetic field is slowly weakening between Africa and South America, causing technical disturbances in some of the satellites, scientists at the European Space Agency observe.

Flipping out.

It gets stretched out into a comet-like shape with a tail of magnetism that stretches millions of miles behind the Earth, opposite from the Sun.
Earth's magnetic field, which is vital to protecting life on our planet from solar radiation, is mysteriously weakening. Earth's magnetic field, which protects the planet from huge blasts of deadly solar radiation, has been weakening over the past six months, according to … The reversal will cause the North Pole and the South Pole to switch places. And globally the magnetic field has weakened 10% since the 19th century. Researchers have speculated that the current weakening of the magnetic field is a sign that Earth is heading for an eminent pole reversal—in which the north and south magnetic poles switch places. Scientists studying the phenomenon observed that an … To better understand how that … Experts suggest it is a sign our planet is heading to a pole reversal. What's more, the core field appears to be weakening — which may be a sign that the planet's magnetic field will flip. Research has proved that the field is in a constant flux and every few 100,000 years, flips the North and South poles. Also on rt.com Earth’s magnetic field, … The Earth's magnetic field is weakening and scientists don't know why Updated just now What I miss most: The feeling in my head when I work out at my gym In the last two centuries, Earth's magnetic field has lost about 9 percent of its strength on average, the ESA says, assisted by a drop in minimum field strength in … Earth's magnetic field is gradually weakening in an area that stretches from Africa to South America, and scientists who are trying to understand why. According to the data given by the ESA, the magnetic field has lost nearly nine per cent of its strength on a … ESA has made a shocking discovery - the Earth's magnetic field is weakening between South American and Africa. Earth's magnetic field is changing in other ways, too: Compass needles in Africa, for instance, are drifting about 1 degree per decade. When this was mentioned by researchers at a recent meeting of the American Geophysical Union, many newspapers carried the story.

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