In today's image, we see an image of M33, also known as the Triangulum Galaxy, which is one of the three large spiral galaxies in our Local Group of galaxies. Here, we see the red H II regions highlighted.

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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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