In today's image, we see Stickney crater on Phobos, one of the two small moons of Mars. The crater itself is nearly half the size of the moon, meaning that it nearly shattered the moon when this impact occurred.

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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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