the geographic pole is the axis on which the earth rotates on
the magnetic pole is the point all compasses point to
the magnetic pole rotates in an arc around the geographic pole
the geographic pole is true north
this link is quite good
http://en.wikipedia.org/wiki/North_Pole
2006-08-22 23:24:51
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answer #1
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answered by Eric C 4
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You've asked a deceptively tough question, but here's the best answer
I can give. The geographic South Pole is, by definition, the
southern axis of the earth's rotation, directly opposite the
geographic North Pole. It is known as 90 degrees South, the highest
latitude that there can be. The ice overlying this pole moves
approximately ten meters, or thirty feet, each year, necessitating a
re-calculation of its position by the U. S. Geological Survey every
summer season.
The magnetic South Pole is that point where a magnetized compass will
point if deployed in the Southern Hemisphere. This pole moves, or
wanders, and now sits off the coast of Adelie Land; it has moved over
500 miles since its first discovery in 1909 by the Australian Douglas
Mawson and his party.
The geomagnetic South Pole is the theoretical pole of the earth's
magnetic field. If you could look at earth from a far enough
distance, and envision the magnetic field caused by its molten iron
core, that magnetic field would resemble the pattern that iron
filings will make around a magnet. The two dipoles in that pattern
would be the geomagnetic North and South Poles of that magnet;
similarly for the planet.
The intricacies of the earth's magnetic field are still poorly
understood. Why the earth's magnetic and geomagnetic poles are not
one in the same is a question about which Ph.D.s in geomagnetism
don't agree, so I won't make a fool of myself here and try to answer
it in some glib manner.
By the way, there is a fourth pole, the Pole of Relative
Inaccessibility, defined as the point most remote from all coasts of
Antarctica. This point stands at 82 degrees, 6' South, 54 degrees,
58' East, on the East Antarctic polar plateau.
2006-08-22 23:12:03
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answer #2
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answered by Lone Ranja™ 3
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The geographic pole is where the longitudes cross on a map, It's what we consider the very top of the earth. The magnetic pole is the true pole, it's where the compass points.
2006-08-22 23:09:57
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answer #3
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answered by vampire_kitti 6
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the magnetic pole is actally over in northwest Canada somewhere. To use a compass correctly you have to know what angle of declination to set to accomodate this diff. Angle varies depending on where you are.
2006-08-22 23:12:32
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answer #4
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answered by Norman 7
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the Geographic pole refers to the theoretical axis the Earth rotates on, but it wobbles abit so its not that accurate, but that pesky north pole, its about due to nip off to the antartic. They are just arbitary conventions, get your own pole and stick it in the back garden, then you will always know where you are (and where it is)
2006-08-22 23:15:21
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answer #5
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answered by paul B 3
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Both are at 19 degree to each other
Idont remember the exact difference/...........
2006-08-22 23:07:15
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answer #6
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answered by man s 2
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I think it's about 30 yards.
2006-08-22 23:12:06
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answer #7
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answered by Mungo 3
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