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1Each of the points near the extremities of the axis of rotation of the earth or another celestial body where a magnetic needle dips vertically.
- ‘The magnetic poles were perpendicular to its rotational axis.’
- ‘Second, the magnetic field is constantly changing, and this means that the magnetic poles are constantly in motion.’
- ‘The magnetic poles are different from geographic poles, the surface points marking the axis of Earth's rotation.’
- ‘Therefore the earth's south magnetic pole is located near the geographic north pole and is called the geomagnetic north pole.’
- ‘On May 31, 1831, Ross located the position of the north magnetic pole on Boothia Peninsula in northern Canada.’
- ‘After some 400 years of relative stability, Earth's north magnetic pole has started moving again.’
- ‘At the present rate, the north magnetic pole could swing out of northern Canada into Siberia.’
- ‘Like Earth, the Sun has magnetic poles, but unlike Earth, the Sun's polarity is not constant.’
- ‘Even at the present time, while the Earth's magnetic field is relatively stable, the location of the magnetic poles is slowly shifting.’
- ‘Charged particles are attracted to Earth's magnetic poles.’
- ‘Evidence from rocks of the same age in different continents indicates different ancient positions for the earth's magnetic poles.’
- ‘When magnetic pole reversal finally happens, life on earth could be dramatically affected.’
- ‘The earth's north magnetic pole is drifting from North America at such a clip that it could end up in Siberia in the next 50 years, scientists said Thursday.’
- ‘While the true North and South poles represent the geographic points around which the Earth rotates, the magnetic poles are the projection onto the surface of the axis of the Earth's magnetic field.’
- ‘Every 11 years the Sun reaches a peak of activity that triggers the magnetic poles to exchange places.’
- ‘The magnetic poles or dip pole are computed from all the Gauss coefficients using an iterative method.’
- ‘Earth has magnetic poles because of charged-particle currents roiling deep within its molten core.’
- ‘Scientists have long known that magnetic poles migrate and in rare cases, swap places.’
- ‘A really smart Englishman named William Gilbert proposed sometime in the early 17th century that the Earth itself was a giant magnet and that its magnetic poles were some distance from the Earth's geographic poles.’
- ‘The magnetic pole was first determined in 1831, hundreds of miles from its present location.’
- 1.1 Each of the two points or regions of an artificial or natural magnet to and from which the lines of magnetic force are directed.
- ‘The fundamental nature of magnetism was not associated with magnetic poles or iron magnets, but with electric currents.’
- ‘Encapsulated armatures offer high thermal transfer and mechanical protection, while high magnetic poles enable high-torque density and short axial length.’
- ‘Ferromagnetic objects are of metallic composition and are highly attracted to magnetic poles.’
- ‘But at the array's resonant frequency, it behaves as if there are free magnetic poles in it, ‘he said.’’
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