The northern lights have been visible in the Seeley-Swan Valley many times this year, including multiple times this month.
Meteorologist Dave Noble, who works with the National Weather Service in Missoula, explained why the northern lights occur.
"Occasionally we can have these explosions off the sun that are spewing plasma at a million miles an hour towards space, and sometimes they can be directed towards the earth," Noble said. "If it is carrying the right magnetic field with it, or the right direction, it can spark these enormous geomagnetic storms and northern lights on earth."
Whether pe...
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