Northern lights put on a show early Friday in northern Minnesota; more expected tonight - Star Tribune
- Northern lights put on a show early Friday in northern Minnesota; more expected tonight Star Tribune
- Photos: Northern lights painted Minnesota skies overnight MPR News
- People share photos of Northern Lights in Wisconsin Milwaukee Journal Sentinel
- Chasing Northern Lights? 5 tips for seeing the aurora borealis MLive.com
- University of Iowa physicists prove cause of northern lights KCCI
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