Earth's magnetic field - Wikipedia, the free encyclopedia
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Earth's magnetic field (and the surface magnetic field ) is approximately a magnetic dipole, with the magnetic field S pole near the Earth's geographic north pole (see Magnetic North Pole) and the ...
en.wikipedia.org/wiki/Earth's_magnetic_field
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Does Earth's magnetic field or solar activity influence the El Nino cycle? ... Does the Earth's magnetic field daily changes affect plant germination and growth? ... How long does an earth magnetic field reversal take and is it harmful to humans?
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image.gsfc.nasa.gov/poetry/ask/amag.html
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The Earth's magnetic field and Van Allen radiation belts ... The origin of the Earth's magnetic field is not completely understood, but is thought to be associated with electrical currents produced by the coupling of convective effects and rotation in the spinning liquid metallic outer core of iron and nickel.
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csep10.phys.utk.edu/astr161/lect/earth/magnetic.html
csep10.phys.utk.edu/astr161/lect/earth/magnetic.html
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Creationists have long argued that the earth's magnetic field proves that the earth cannot be more than 10,000 years old. This article looks in great detail at the argument and thoroughly debunks it. ... There are two primary methods by which one can generate a mathematical description of the Earth's magnetic field,
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www.talkorigins.org/faqs/magfields.html
www.talkorigins.org/faqs/magfields.html
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Visit the companion Web site to the NOVA program Magnetic Storm, which examines evidence that the magnetic field protecting Earth from deadly space radiation has reversed direction many times in the past, and may be headed for another reversal. ... See a Reversal; Watch a simulated flip of the Earth's magnetic field,
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www.pbs.org/wgbh/nova/magnetic/
www.pbs.org/wgbh/nova/magnetic/
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Read a description of the NOVA program Magnetic Storm, originally broadcast on PBS on November 18, 2003. ... At the present rate, Earth's magnetic field could be gone within a few centuries, exposing the planet to the relentless blast of charged particles from space with unpredictable consequences for the atmosphere and life.
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www.pbs.org/wgbh/nova/magnetic/about.html
www.pbs.org/wgbh/nova/magnetic/about.html
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Le Monde looks at disturbing findings that the earth's magnetic field is weakening, suggesting that its poles may soon switch again, an event which has had cataclysmic effects in the past. ... Earth's magnetic realm (image: NASA) ... Important variations in the magnetic field, observed by satellites in certain areas of the globe,
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www.worldpress.org/Europe/591.cfm
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The Earth is a big magnet. ... Our magnetic field is squashed by the solar wind. ... Solar wind would singe our atmosphere if not for our magnetic field.
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science.nasa.gov/ssl/pad/sppb/edu/magnetosphere/bullets...
science.nasa.gov/ssl/pad/sppb/edu/magnetosphere/bullets.html
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The Magnetic Field Model; The Earth as Dynamo; Components of the Magnetic Field; Variations in the Earth's Magnetic Field; Influence of the Sun ; ... Diagram courtesy of Scientific American (December 1989) The Earth's magnetic field is generated within its molten iron core through a combination of thermal movement,
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www.nationalatlas.gov/articles/geology/a_geomag.html
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