![]() ![]() To operate correctly, a compass must be held relatively parallel to the surface of the Earth, to align the needle with the magnetic fields. These poles move, but are located relatively near the geographic north and south poles – the poles typically shown on maps.Ī compass is able to point toward magnetic north because it contains a magnet that orients itself along the magnetic field lines that extend between the north and south magnetic poles, looping out from the Earth as they circle the globe and connect to the opposite pole.īecause the current locations of both magnetic and geographic north are known, a simple adjustment allows the user to orient themselves to geographic north so they can effectively use a map. The Earth's magnetic field has poles – north and south. A compass orients along Earth's magnetic field lines The Facebook user who shared the video could not be reached. However, the post demonstrates a misunderstanding of the way compasses function, according to experts.įollow us on Facebook! Like our page to get updates throughout the day on our latest debunks The post includes a video, viewed more than 3,500 times in four days. "A compass will never work on a Spinning Ball," reads a Feb. Compasses take advantage of this field to identify north and serve as a navigational aid.īut one social media user asserts this effect shouldn't work on a spherical planet, attempting to bolster the long-debunked theory that the Earth is flat. Watch Video: Northern Lights put on ‘gorgeous display’ above Iowa The claim: A compass wouldn't work if Earth is sphericalĮarth is surrounded by a magnetic field generated by electric currents from within the planet.
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