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Springtime night lights: Finding the aurora

photo of the aurora in green

St. Patrick's Day, 2015, brought a once-a-decade display of the aurora, here in "shamrock green."

Credit: NASA


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aurora borealis seen in Iceland

Iceland is a common place to see the aurora borealis.

Credit: Moyan Brenn/Flickr


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red aurora borealis seen above a forest

This red aurora, which happened on Oct. 24, 2011, stretched from Chicago to Alabama.

Credit: Tobias Billings


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aurora borealis as seen above a snowed forest

Light from the aurora is emitted by atmospheric gases when they're hit by particles from space.

Credit: Analogick/Flickr


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a rocket being launched into the northern lights

Scientists launched a rocket-borne experiment into the northern lights to learn more about them.

Credit: NASA


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An aurora viewed from the International Space Station

An aurora viewed from the International Space Station on Aug. 29, 2014.

Credit: NASA


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