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Furthermore, scientists are keen to find out if the Earth's magnetic poles are about to "flip" - with magnetic North becoming South, and vice versa.
BBC: Planet Earth
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They'd balance a spoon-shaped piece of magnetic rock on any flat surface, and since it was magnetic, the handle would swivel to align itself with the Earth's magnetic poles.
FORBES: Magazine Article
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Within the corona, occasionally two magnetic fields with opposite poles will come close to each other.
FORBES: NASA Reports That Solar Flares Could Disrupt Power, Communications
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The sun's magnetic north and south poles were in their respective northern and southern hemisphere several months ago.
CNN: Sun flips magnetic field
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In 1998, Mr Hempleman-Adams became the first person to complete the Adventurers' Grand Slam after climbing the highest peaks in seven continents and reaching the geographic and magnetic North and South Poles.
BBC: World explorer Hempleman-Adams: 'I've been lucky'
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The magnetic field forces the particles toward the north and south poles.
CNN: 'Dancing lights' draw thousands to frozen north
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They will focus on the places above the poles where the wind pierces the earth's magnetic defences and causes, among other things, the shimmering lights of the aurora borealis and aurora australis, and interference with radio communications.
ECONOMIST: Birds of a feather