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by AB-Joel on August 29th, 2003

AB-Joel

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What's the difference between true north and magnetic north?

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  • by d5kenn on August 31st, 2003

    d5kenn

    Magnetic north is the aggregate direction that metallic particles in the earth's crust have frozen into shortly after emerging from mid-Oceanic ridges. The problem is, once frozen, the crust is still prone to plate tectonics and continental drift, which over time have shifted its composite orientation from true north.

    "True" north is the northern point through which the axis intersects the Earth.

    Comments

    • That didn't even explain the question

      dirtlover

      by dirtlover on September 27th, 2003

    • This is actually a correct explanation of true north vs. magnetic north

      Sigma6

      by Sigma6 on September 29th, 2003

    • Actually, we thing that Earth's magnetic field is primarily created by circulation of liquid Fe-Ni in the outer core.

      Glenn Blaylock

      by Glenn Blaylock on March 31st, 2005

    • The magnetic field is created in the outer core The oceanic crust records this field, hence we can detect polarity reversals.

      Leezee

      by Leezee on December 27th, 2005

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