In today's image, we see the spiral galaxy known as M100. This is what is called a grand design spiral because of its majestic, sweeping spiral arms. We see many blue star clusters which outline the spiral arms where they massive stars are born and will end up living their entire lives.

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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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