What is a geomagnetic substorm?

How Satellites Work - interaction occurs often and is often harmless. But at times, when solar winds hit the magnetosphere, there is a major disruption in the Earth's magnetic field. This is a geomagnetic substorm, and you can see how this disruption is reflected in the aurora pictured
India
February 28, 2007 9:03am CST
NASA recently launched a rocket with five satellites onboard. The $200 million mission is to discover the ource of an atmospheric phenomenon: the geomagnetic substorm
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