In today's image, we see two galaxies in the process of colliding and merging together. Because of the great sizes and distances involved, the entire process can take billions of years. However, it is something that most galaxies go through during their 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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