In today's image, we see the Sun off over the horizon, with the sun dogs on either side. These sun dogs, or parhelia, are caused by the presence of hexagonal ice crystals in Earth's atmosphere.

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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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