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NASA took a photo of the sun smiling. It could spell danger for Earth

STEVE INSKEEP, HOST:

Good morning. I'm Steve Inskeep. Last week, NASA took a picture of the sun which looked like it had a smiling face. The shape was caused by some surfaces of the sun being a different temperature. And that smiley face could spell danger for us. Those areas have high magnetic field activity, which could disrupt telecommunications in the worst-case scenario. The face cannot be seen with the naked eye, so please don't try to stare at the sun. It's MORNING EDITION. Transcript provided by NPR, Copyright NPR.