Geomagnetic reversal
From The Art and Popular Culture Encyclopedia
Related e |
Featured: |
A geomagnetic reversal is a change in a planet's magnetic field such that the positions of magnetic north and magnetic south are interchanged (not to be confused with geographic north and geographic south). The Earth's field has alternated between periods of normal polarity, in which the predominant direction of the field was the same as the present direction, and reverse polarity, in which it was the opposite. These periods are called chrons.
[edit]
See also
- List of geomagnetic reversals, including ages.
- Magnetic anomaly
- South Atlantic Anomaly
Unless indicated otherwise, the text in this article is either based on Wikipedia article "Geomagnetic reversal" or another language Wikipedia page thereof used under the terms of the GNU Free Documentation License; or on research by Jahsonic and friends. See Art and Popular Culture's copyright notice.