Those as far south as Iowa , Pennsylvania and Oregon could get a chance to see the Northern Lights on Thursday and Friday.

The NOAA Space Weather Prediction Center issued a G3 or "strong" Geomagnetic Storm Watch for Thursday and Friday, with the highest possibility of seeing auroras in the U.S. states bordering Canada.

Geomagnetic storms can affect power grids, satellite operations and be a danger for astronauts in space.

WHAT IS A GEOMAGNETIC STORM?

Geomagnetic storms occur from solar activity. The sun is a bubbling hot cauldron of non-stop activity that occasionally gives off solar flares, which in turn can trigger what's known as a Coronal Mass Ejection (CME).

CME's will launch a stream of solar particles into space along the solar wind. If the stream is directed at the Earth, thos

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