In today's image, we see the blue supermoon which occurred at the end of August this year. The blue moon is sometimes considered to the the second full moon which occurs in one month - something that happens only every few years. The supermoon is the full moon that occurs near the time of perigee when the Moon is closest to Earth in its elliptical orbit. Having the two together is something that may occur only once in a decade.

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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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