In today's image, we see the large sunspot group known as AR 3664 which has been very active recently, sending solar flares and coronal mass ejection in the direction of Earth and giving up so beautiful auroral displays.

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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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