The auroras of Earth are some of the most spectacular skywatching experiences on the planet and never fail to delight observers lucky enough to see them. Also known as the northern and southern lights, Earth's auroras are caused by interactions of solar particles in the planet's upper atmosphere. See how they work in the SPACE.com infographic above.
Related: How to See the Northern Lights
- Poll: Have You Ever Seen the Northern Lights?
- Northern Lights, Earth's Auroras, Causes and Facts
- Photos: Auroras Supercharged by 2012 Solar Storms
- Exploring the Northern Lights: Alaska Aurora Expedition Coverage
- A Guide for Watching Earth's Auroras
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Karl's association with Space.com goes back to 2000, when he was hired to produce interactive Flash graphics. From 2010 to 2016, Karl worked as an infographics specialist across all editorial properties of Purch (formerly known as TechMediaNetwork). Before joining Space.com, Karl spent 11 years at the New York headquarters of The Associated Press, creating news graphics for use around the world in newspapers and on the web. He has a degree in graphic design from Louisiana State University and now works as a freelance graphic designer in New York City.