Pol nord magnètic: diferència entre les revisions
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== Referències ==
<references/>
==Enllaços Externs ==
* {{cite web |url=http://www.ngdc.noaa.gov/geomag/GeomagneticPoles.shtml |title=Wandering of the geomagnetic poles |work=Geomagnetism |publisher=National Geophysical Data Center |accessdate=19 April 2012}}
* {{cite web |url=http://geomag.nrcan.gc.ca/index-eng.php |title=Geomagnetism |publisher=Natural Resources Canada |date=April 1, 2012 |accessdate=19 April 2012}}
* [http://anthro.palomar.edu/time/images/magnetic_north_pole.gif Map of pole's wandering]
* {{cite news|url=http://archives.cnn.com/2002/TECH/space/03/20/north.pole/ |title=North Magnetic Pole could be leaving Canada |newspaper=CNN.com |date=20 March 2002 |accessdate=19 April 2012}}
* {{cite news |url=http://news.bbc.co.uk/2/hi/science/nature/4520982.stm |title=Magnetic pole drifting fast |newspaper=BBC News |date=12 December 2005 |accessdate=19 April 2012}}
{{ORDENA:Pol Nord Magnetic}}
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