dip, magnetic
dip, magnetic Angle between the direction of the Earth's magnetic field and the horizontal. A freely suspended magnetic needle in London dips, with its north pole pointing down, at an angle of 71.5° to the horizontal.
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Scientists have long recognized a connection between electricity and magnetism, but the specifics of this connection, along with the recognit… Hollow Earth , Edmund Halley (1656–1742) is best known for having calculated the orbit of a comet that passes by Earth every 76 years. The comet known as Halley's m… perigee , perigee (astron.) point in the orbit of a planet that is nearest to the earth. XVI. In early use varying with forms directly repr. L. and Gr.; — F. p… Dip Pole , dip pole A point, usually on the Earth's surface, where the magnetic vector is vertical, i.e. the inclination is 90°. A positive (downward) inclinati…
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dip, magnetic