The sun is reaching an 11-year peak. What does it mean for the northern lights in Iowa?
The sun is reaching a solar maximum. Here's what that could mean for Iowa and our chances to see the aurora borealis, known ...
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Northern Lights in Colorado: How, When, and Where to Witness This Rare Phenomenon
To see the northern lights in Colorado, a KP index of 5 or higher is usually needed. The KP index measures geomagnetic ...