In today's image, we see what is known as the Helix Galaxy which is an example of a rare type of galaxy known as a polar ring galaxy. It is expected that this is formed in an unusual type of collision which causes material to orbit perpendicular to the plane of the disk of the galaxy.

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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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