Must-see: Breathtaking Northern Lights display brightens Seattle sky

“Probably the best aurora display we’ve seen in a decade here in Seattle,” tweeted the National Weather Service of Seattle. “Simply amazing.”

The aurora borealis – also known as the "Northern Lights" – is a region of charged gases in the ionosphere, about 50 miles above the Earth's surface. The gases give off light from green to orange to red, depending on the type of gas being excited by the charged solar particles.

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Below, see five selected captures from the stunning aurora show around Puget Sound:

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