It's considered one of the most enchanting sights to see, the aurora borealis, but have you ever wondered what causes that blue-ish-green and violet display in the sky?

Physicists have long wondered as well and now they have some answers.

For more, KCBS Radio news anchor Melissa Culross spoke with Jim Schroeder, assistant physics professor at Wheaton College and lead author of a recent article on this subject.

It's considered one of the most enchanting sights to see, the aurora borealis, but have you ever wondered what causes that blue-ish-green and violet display in the sky?
Physicists have long wondered as well and now they have some answers.
For more, KCBS Radio news anchor Melissa Culross spoke with Jim Schroeder, assistant physics professor at Wheaton College and lead author of a recent article on this subject.

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