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When Santa is finished turning in gifts on Christmas Eve, he will have to get again house to the North Pole, even supposing it’s snowing so laborious that the reindeer can’t see the way in which.
He may use a compass, however then he has a problem: He has so that you could to find the appropriate North Pole.
There are if truth be told two North Poles – the geographic North Pole you notice on maps and the magnetic North Pole that the compass is determined by. They aren’t the similar.
The 2 North Poles
The geographic North Pole, also referred to as true north, is the purpose at one finish of the Earth’s axis of rotation.
Take a look at taking a tennis ball on your proper hand, hanging your thumb at the backside and your center finger at the most sensible, and rotating the ball with the palms of your left hand. Where the place the thumb and center finger of your proper hand touch the tennis ball because it spins outline the axis of rotation. The axis extends from the south pole to the north pole because it passes throughout the heart of the ball.
Compasses use a magnetized needle to align with Earth’s magnetic box. To search out true north, a compass will have to be adjusted for the declination of its location, which means the attitude distinction between true north and magnetic north for that spot.
Tim Reckmann/Wikimedia Commons, CC BY
Earth’s magnetic North Pole is other.
Over 1,000 years in the past, explorers started…
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Author : bq3anews
Publish date : 2025-12-16 14:05:00
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