The Northern Lights, also known as the Aurora Borealis, lit up the sky over parts of the U.S. They are a phenomenon caused by plasma ejected from the sun during a solar storm, which interacts with Earth’s geomagnetic field. | NBC News

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Aurora brought by moderate geomagnetic activity lit up a starry night sky over northern China on Wednesday and is forecasted to be visible again on Thursday night. So, find a dark, clear spot and get ready for a magical moment! | CGTN

A rare aurora borealis turning the sky above the Matterhorn mountain red could be seen on Tuesday, November 12, in Italy's Aosta Valley. Reuters was able to verify the location with the shape of the roof and the outline of the mountains that matched the file and satellite imagery of the area. The date was verified by local news and weather reports. The rare northern lights seen across Europe were caused by a G4 geomagnetic storm, local media reported. (Production: Monica Naime, Eva Weininger) |

The sky in Alaska was illuminated with vibrant hues of red and green last week as a strong geomagnetic storm made the aurora borealis visible in much of the U.S. | ABC7