In today's image, we see the region around the Rosette Nebula. This is a region of star formation and we see the red glow caused by the excitation of hydrogen gas by the hot, young stars that have formed in the area.

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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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