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ShareA geomagnetic storm is a temporary disturbance of the Earth's magnetosphere.
Associated with solar coronal mass ejections, coronal holes, or solar flares, a geomagnetic storm is caused by a solar wind shock wave which typically strikes the Earth's magnetic field 24 to 36 hours after the event.
For more information about the topic Geomagnetic storm, read the full article at Wikipedia.org, or see the following related articles:
Solar flare — A solar flare is a violent explosion in the Sun's atmosphere with an energy equivalent to tens of millions of hydrogen bombs. Solar flares take place ... > read more
Solar wind — A solar wind is a stream of charged particles (i.e., a plasma) which are ejected from the upper atmosphere of a star. When originating from stars ... > read more
Geomagnetic reversal — A geomagnetic reversal is a change in the orientation of Earth's magnetic field such that the positions of magnetic north and magnetic south become ... > read more
Earth's magnetic field — Earth's magnetic field (and the surface magnetic field) is approximately a magnetic dipole, with one pole near the geographic north pole and the ... > read more
Magnetosphere — A magnetosphere is the region around an astronomical object in which phenomena are dominated or organized by its magnetic field. Earth is surrounded ... > read more
Solar radiation — Solar radiation is radiant energy emitted by the sun, particularly electromagnetic energy. About half of the radiation is in the visible short-wave ... > read more
Corona — In astronomy, a corona is the luminous plasma "atmosphere" of the Sun or other celestial body, extending millions of kilometres into space, most ... > read more
Van Allen radiation belt — The Van Allen radiation belt is a torus of energetic charged particles (i.e. a plasma) around Earth, trapped by Earth's magnetic field. When the ... > read more
Ionosphere — The ionosphere is the part of the atmosphere that is ionized by solar radiation. It plays an important part in atmospheric electricity and forms the ... > read more
Aurora (astronomy) — The aurora is a glow observed in the night sky, usually in the polar zone. It is also known as "northern lights" or "aurora borealis," which is Latin ... > read moreNote: This page refers to an article that is licensed under the GNU Free Documentation License. It uses material from the article Geomagnetic storm at Wikipedia.org. See the Wikipedia copyright page for more details.
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