Graphics illustrate why the northern lights are spreading their wonder
Wider visibility of the northern lights, or aurora borealis, is becoming more common. Here's a visual explainer of how and why they occur.
from USATODAY - News Top Stories https://ift.tt/Y8qWDLv
Wider visibility of the northern lights, or aurora borealis, is becoming more common. Here's a visual explainer of how and why they occur.

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