In today's image, we see some of the auroral displays as seen over Georgia in the United States just about a week ago. The strong auroral displays were caused by the large sunspot group on the Sun which had emitted large numbers of charged particles which excite oxygen atoms in Earth's atmosphere, causing them to glow.

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This Podcast is an authorized New Media Mirror Site for APOD. You can access the image and website directly at: Astronomy Picture of the Day. You can use the archive link below the image to select the photo corresponding to the date of this podcast.

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