In today's image, we see two galaxies in the process of colliding together in what is known as Arp 274. Galaxy collisions involve the collisions of gas clouds when can enhance star formation. However, the stars themselves actually rarely if ever collide.

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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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