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However, due to extraordinarily large and erratic movements of the north magnetic pole, an out-of-cycle update (WMM2015v2) was released in February 2019 [4] (delayed by a few weeks due to the U.S. federal government shutdown) [5] to accurately model the magnetic field above 55° north latitude until the end of 2019. The next regular update ...
A fan wiki is a wiki [a] that is created by fans, primarily to document an object of popular culture. Fan wikis cover television shows, film franchises, video games, comic books, sports, and other topics. [1] They are a part of fandoms, which are subcultures dedicated to a common popular culture interest.
In many models, it appears that magnetic fields have somewhat random magnitudes that follow a normal trend that average to zero. [19] In addition to these observations, general observations about the mechanisms powering the geodynamo can be made based on how accurately the model reflects actual data collected from Earth.
(This is unlike the World Magnetic Model, which is intended for navigation in the next few years.) It is updated at 5-year intervals, reflecting the most accurate measurements available at that time. The current 13th edition of the IGRF model (IGRF-13) was released in December 2019 and is valid from 1900 until 2025.
More complex models deform the magnetic field over time as the Earth rotates and experiences solar pressures. Many of the field lines (particulary near the back, away from the Sun) should eventually connect (north and south poles), but the 3d model used in this visualization does not extend far enough to see this.
Windows Movie Maker, a video editing software package, and file format extension; Wi-Fi Multimedia or Wireless Multimedia Extensions (WME), a QoS implementation; Women Make Movies, an organization for women film-makers; World Magnetic Model, a digital model of the Earth's geomagnetic field; World Marathon Majors, championship style marathon ...
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Like the North Magnetic Pole, the North Geomagnetic Pole attracts the north pole of a bar magnet and so is in a physical sense actually a magnetic south pole. It is the center of the 'open' magnetic field lines which connect to the interplanetary magnetic field and provide a direct route for the solar wind to reach the ionosphere.