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Topic: South Magnetic Pole


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In the News (Sat 25 Oct 14)

  
  NationMaster - Encyclopedia: South Pole   (Site not responding. Last check: 2007-10-19)
Magnetic lines of force of a bar magnet shown by iron filings on paper In physics, magnetism is one of the phenomena by which materials exert an attractive or repulsive force on other materials.
The Geographic South Pole is the one of two points where the earth's axis of rotation intersects the surface (the other being the Geographic North Pole).
The Geomagnetic South Pole is the point where the axis of the best-fitting tilted dipole intersects the Earth's surface in the southern hemisphere.
www.nationmaster.com /encyclopedia/South-Pole   (625 words)

  
  North Pole   (Site not responding. Last check: 2007-10-19)
Astronomers define the north "geographic" pole of a planet in the solar system by the planetary pole that is in the same ecliptic hemisphere as the Earth's north pole.
Magnetic North is one of several locations on the Earth's surface known as the "North Pole".
Magnetic North is the place to which all magnetic compasses point, although since the pole marked "N" on a bar magnet points north, and only opposite magnetic poles are attracted to each other, the Earth's magnetic north is actually a south magnetic pole.
www.bidprobe.com /en/wikipedia/n/no/north_pole.html   (1236 words)

  
 Re: What happens if you are standing ON the magnetic north pole with a compass?
You can see a nice diagram of the field around a bar magnet and the earth at: http://liftoff.msfc.nasa.gov/academy/space/mag_field.html Near the equator (which has no significance for the magnetic field, it's just a marker halfway between the geographic poles) the field lines run north-south and are essentially parallel to the surface.
The geographic pole is defined by the spinning of the earth and it is in the same spot all the time.
The magnetic north pole is defined by the earth's magnetic field, which is in turn defined by swirling currents within the liguid iron outer core.
www.madsci.org /posts/archives/aug2001/997462567.Es.r.html   (935 words)

  
 South Pole - Wikipedia, the free encyclopedia
The Geographic South Pole is the one of two points where the earth's axis of rotation intersects the surface (the other being the Geographic North Pole).
The South Magnetic Pole is one of the two magnetic poles of the Earth's magnetic field.
The south pole of a magnet is attracted to the north poles of other magnets, hence the south pole of a freely suspended magnet (as in a compass) will point towards the Geomagnetic South Pole.
en.wikipedia.org /wiki/South_Pole   (742 words)

  
 South Pole -- Facts, Info, and Encyclopedia article   (Site not responding. Last check: 2007-10-19)
The projection of the south geographic pole onto the (The apparent surface of the imaginary sphere on which celestial bodies appear to be projected) celestial sphere gives the south (One of two points of intersection of the Earth's axis and the celestial sphere) celestial pole.
The South Magnetic Pole is one of the two magnetic poles of the Earth's (The lines of force surrounding a permanent magnet or a moving charged particle) magnetic field.
The South Magnetic Pole is named for its proximity to the Geographic South Pole; in a strict ((physics) a device that attracts iron and produces a magnetic field) magnetic sense, it is a north pole.
www.absoluteastronomy.com /encyclopedia/s/so/south_pole.htm   (766 words)

  
 Theosophy and magnetism
Since unlike poles attract and like poles repel, and since the north pole of the compass points northward, the magnetic pole in the northern hemisphere is considered to be a south magnetic pole, while the southern magnetic pole is considered to be a north magnetic pole.
Terrestrial magnetism is of course connected with the nature and characteristics of the aurora borealis at the north pole as well as the aurora australis at the south pole – both the geographic and the magnetic poles at either end of the earth being involved.
The north end of the needle is repelled from the pole which is in the atmosphere, and the south end of the needle is as much attracted by the same pole; and this is as it should be – the north pole of one magnet (the terrestrial) attracting the south pole of another.
ourworld.compuserve.com /homepages/dp5/magnet.htm   (8921 words)

  
 Magneticosphere - Earth's Magnetic Field
Earth's magnetic field (and the surface magnetic field) is approximately a magnetic dipole, with one pole near the north pole and the other near the geographic south pole.
The pole position is usually not that indicated on many charts and many magnetic pole marking brings a confusion as to what is being located at the given positions.
Currently the south magnetic pole is farther from the geographic south pole than the north magnetic pole is from the north geographic pole.
www.crystalinks.com /magnetics.html   (1497 words)

  
 Earth's magnetic field - Biocrawler definition:Earth's magnetic field - Biocrawler   (Site not responding. Last check: 2007-10-19)
Earth's magnetic field (the surface magnetic field) is approximately a magnetic dipole, with one pole near the geographic north pole and the other near the geographic south pole.
Currently the south magnetic pole is further from the geographic south pole than the north magnetic pole is from the north geographic pole.
The magnetic field of a bar magnet, or any other type of permanent magnet, is created by the coordinated motions of electrons (negatively charged particles) within iron atoms.
www.biocrawler.com /biowiki/Earth's_magnetic_field   (1028 words)

  
 starbulletin.com | Business | /2006/07/16/
An idealized magnetic picture of Earth near the surface would show the lines of force entering the north magnetic pole, passing through the earth and emerging from the south magnetic pole in continuous concentric loops completely surrounding the planet.
The north magnetic pole (NMP) is in the Canadian arctic, 430 miles from the geographical North Pole, and the south magnetic pole is off the coast of Antarctica south of Australia.
Earth's magnetic field is produced in the core of the planet, which is a solid iron ball about as hot as the surface of the sun.
www.starbulletin.com /2006/07/16/business/brill.html   (1235 words)

  
 The earth's magnetism   (Site not responding. Last check: 2007-10-19)
The south magnetic pole is off the coast of Wilkes Land--a part of Antarctica--about 1,710 miles (2,750 kilometers) from the South Pole.
During some periods, the north magnetic pole became located at the south magnetic pole, and the south magnetic pole became located at the north magnetic pole.
A magnetic field can be shown as imaginary lines that flow out of the north pole and into the south pole of a magnet.
www.worldbook.com /features/earth/html/magnetism.htm   (340 words)

  
 South Pole - RecipeFacts   (Site not responding. Last check: 2007-10-19)
The fastest unsupported walking journey to the Geographic South Pole from the ocean is 47 days and was set in 1999 by explorers Tim Jarvis and Peter Treseder, who manhauled 200 kg sleds containing food and cooking fuel.
At present, Antarctica is located over the South Pole, although this has not been the case for all of Earth's history because of continental drift.
The South Magnetic Pole is the point on the Earth's surface where the geomagnetic field lines are directed vertically upwards.
www.recipeland.com /facts/South_Pole   (773 words)

  
 Magnetic south pole
A pulse generator consisting of a stator with a permanent magnet and a rotor, which induces an AC voltage in the inductive winding by the periodic change of the air gap between stator and rotor.
Magnetic pick-ups attached to the distributor for ignition triggering have as many teeth on the pole piece (stator) and on the trigger wheel (rotor) as the engine has cylinders.
Ignition voltage is induced within the magneto by the movement of a coil relative to the poles of a permanent magnet.
www.basicfiles.com /Magnetic_south_pole.htm   (1139 words)

  
 Electrical Engineering - Magnets
A magnet is a body which attracts iron, combinations of metals (known as alloys) or other materials which are composed of iron or iron-like substances.
The two ends of the magnet are different and are referred to as the north and south pole (or north-seeking pole and south-seeking pole).
The compass needle points to the earth's magnetic north (which is a little different, but fairly close to the location of the North Pole.) A magnetic compass works through air, water, glass, and walls.
www.swe.org /iac/lp/magnets_03.html   (732 words)

  
 Re: North magnetic vs. North Geomagnetic
Geophysicists model the earth's magnetic field as if it were generated by a single bar magnet and this is called the dipole field (dipole means "two poles" -- north and south).
These two places where the magnetic lines of force are vertical are called, not surprisingly, the north and south magnetic poles.
In summary, the geomagnetic pole is an abstraction based on a theoretical model of how the earth's magnetic field is thought to behave (like a bar magnet) while the magnetic pole is where the field actually is (because the earth's magnetic field is NOT a perfect dipole).
www.madsci.org /posts/archives/may96/827302702.Es.r.html   (377 words)

  
 South Pole Expedition
Magnetic south is the direction towards the south magnetic pole, some distance away from the south geographic pole.
The term The South is often used to refer to regions within particularnations or, more generally, the less culturally and technologically advanced nations of the world (from the generalization thatmany such nations are located in or near the SouthernHemisphere).
In the United Kingdom, "the South" is used to refer to the richer,supposedly more developed part of the country, and in the United States,the term "the South" is used to refer to states in the southeast that seceded from the Union during the Civil War.
www.altvetmed.com /face/22800-south-pole-expedition.html   (685 words)

  
 Scientific American: Ask the Experts: Geology: Are the Earth's magnetic poles moving? How do navigators adjust to this ...   (Site not responding. Last check: 2007-10-19)
The North magnetic pole is at a point where a dipping compass--a compass that allows the needle to move freely in a vertical plane (as opposed to the horizontal needle movements seen in most compasses)--points straight down into the earth.
The North magnetic pole is located to the south in Northern Canada; the geographic South pole is at the center of the Antarctic continent, but the magnetic pole is hundreds of miles away, near the coast.
On any given day, the magnetic pole may be as much as 80 kilometers away from its average position, depending on the geomagnetic disturbances in the ionosphere and magnetosphere.
www.sciam.com /askexpert_question.cfm?articleID=000444EF-BC2B-1C71-9EB7809EC588F2D7&catID=3&topicID=22   (593 words)

  
 Space Weather   (Site not responding. Last check: 2007-10-19)
The magnetic pole in the geographic north is called the Earth's North Magnetic Pole by convention.
The North Magnetic Pole is actually the south pole of the Earth's magnetic field.
However, since opposite poles attract, the north pole of the magnetic needle in the compass must point toward the south pole of the Earth's magnetic field.
www.windows.ucar.edu /spaceweather/location_mag_poles.html   (219 words)

  
 [No title]
Therefore, the north pole of a compass needle does point north because it is attracted to the earth's south magnetic pole.
North is north, and south is sourth, and the magnetic south pole of the earth is in the northern hemisphere.
The "north named pole" or a magnetic body (such as a compass needle, a bar magnet, or a current carrying solenoid) is the one which to an external observer appears to be a "source" of lines of magnetic induction; while the "south named pole" is the one which appears to be a "sink".
www.eskimo.com /~billb/miscon/mag1.txt   (2978 words)

  
 The Straight Dope: Are the earth's magnetic poles shifting?
Since then the magnetic field has been subject to intensive if somewhat inconclusive study, the upshot of which is that we're not certain why it's there, but we're lucky it is — it does a lot more than make compasses work.
Over the last century, both the north and south magnetic poles have been drifting north (that is, toward the geographic north pole, which itself wanders somewhat, but let's not make this more complicated than it already is).
The first evidence for a complete flip of the magnetic poles came in the 1950s, when studies of the tectonic plates in the mid-Atlantic revealed that the rock making up the ocean floor was arranged in stripes of alternating magnetic polarity.
www.straightdope.com /columns/070112.html   (909 words)

  
 Earth's North Magnetic Pole - Positive or Negative   (Site not responding. Last check: 2007-10-19)
The north-seeking end of a magnet is in English-speaking countries called the north pole and the other end the south pole; in France the names are interchanged.
Note that since the north pole of the magnet is attracted to the south pole of another magnet, the Earth's geographic north is actually a magnetic south.
The South Magnetic Pole lies in the northern islands of Canada, and the North Magnetic Pole lies in Antarctica.
edhiker.home.comcast.net /North_Pole_Positive_or_Negative.html   (515 words)

  
 BIOMAGNETIC HEALING   (Site not responding. Last check: 2007-10-19)
It assumes that the north pole of the magnet is where it's supposed to be--in the geographic north pole of the earth, and the south pole is in the southern hemisphere.
With this definition, a suspended bar magnet, or the arrowhead of a compass needle that points north, is always the south end of the magnet or the south end of the compass needle.
Placing the north pole of a magnet over an inflamed area on a regular basis may be a key factor in improvement, especially for arthritis in the hands and feet.
www.garynull.com /Documents/magnets.htm   (15124 words)

  
 magnetic pole
magnetic pole, the two nearly opposite ends of the planet where the earth's magnetic intensity is the greatest, as the north and south magnetic poles.
For the magnetic north, it is the direction from any point on the earth's surface linking the horizontal component of the magnetic lines of force with the observer and north magnetic pole; it is similar for magnetic south.
The best hypothesis to date for the origin of terrestrial magnetism is the self-exciting dynamo theory, where the earth's magnetic field is generated by the interaction of motion and electrical currents in the earth's liquid outer core.
www.factmonster.com /ce6/sci/A0831157.html   (207 words)

  
 Tell Me More About the Magnetic Pole   (Site not responding. Last check: 2007-10-19)
Contrary to Captain Torvey's belief, the North Magnetic Pole is not a magnetic meteorite floating in the polar ice.
The point where the magnetic field lines leave the Earth's surface pointing straight up is called the South Magnetic Pole; the point where thee magnetic field lines point straight down is the North Magnetic Pole.
Second, the magnetic field is constantly changing, and this means that the magnetic poles are constantly in motion.
www.accessexcellence.org /arc/magnetic.html   (389 words)

  
 Geomagnetism - North Magnetic Pole
The Earth's magnetic field is shaped approximately like that of a bar magnet and, like a magnet, it has two magnetic poles, one in the Canadian arctic, referred to as the North Magnetic Pole, and one off the coast of Antarctica, south of Australia, referred to as the South Magnetic Pole.
At the North Magnetic Pole the Earth's magnetic field is directed vertically downward relative to the Earth's surface.
In addition, the North Magnetic Pole is the eventual destination for a traveller who follows his or her compass needle from anywhere on Earth.
gsc.nrcan.gc.ca /geomag/nmp/northpole_e.php   (205 words)

  
 NOVA | Magnetic Storm | TV Program Description | PBS
The most visible signs of Earth's magnetic field are auroras, which are caused by charged particles from space interacting with the atmosphere as they flow into the north and south magnetic poles.
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.
Some researchers believe we are already in the transition phase, with growing areas of magnetic anomaly—where field lines are moving the wrong way—signaling an ever weaker and chaotic state for our protective shield.
www.pbs.org /wgbh/nova/magnetic/about.html   (639 words)

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