The Northern Lights Took a Surprise Southward Trip Last Night
15 Feb 2012, 08:26 UTC
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An interesting natural phenomena occurred last night. According to AccuWeather Astronomy expert Daniel Vogler, "To help explain what happened (last) night, this event was known as an auroral substorm. They usually occur around midnight and, what happened was this. The energy for these disturbances is stored in the Earth's magnetic tail and how much energy is stored can be estimated
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