This article was published in Scientific American’s former blog network and reflects the views of the author, not necessarily those of Scientific American
What causes the sky near Earth's poles to light up with swirling, colorful light? In this episode of the Countdown, we explore the physics behind auroras and more.
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Visit LightsOverLapland.com for more images of the Northern Lights from Abisko National Park in Sweden.
Aurora Forecast (NOAA)
Written in the Sky: Aurora Borealis Explained (Institute of Physics)
Science Casts: Auroras Underfoot (NASA)
Northern Lights, Earth's Auroras, Causes and Facts (Space.com)
The History of Auroras (NASA)
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Featured image courtesy of Rafal Konieczny via Wikimedia Commons
Credits:
Host/writer: Sophie Bushwick
Story Advisors: Clara Moskowitz & Michael Moyer
Editor: Joss Fong
Producer: Eric R. Olson