A geomagnetic storm (or solar storm) is a temporary disturbance of the Earth’s magnetosphere caused by a massive solar flares or related sun output. A geomagnetic storm is caused by a solar wind shock wave which typically strikes the Earth’s magnetic field 3 days after the event on the sun. The effect on the earth can be small or it can be large. Astronomers are predicting that a massive solar storm, much bigger in potential than the one that caused spectacular light shows on Earth earlier this month, will strike our planet in 2012 with a force of 100 million hydrogen bombs. This is far larger than average.

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Solar Storm

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