In today's image, we see the Villarrica volcano in Chile as it erupts. Earth is one of the few objects with active volcanoes like this. The other active object would be Jupiter's moon, Io. There are also icy volcanoes known in the outer solar system as well as extinct volcanoes on Venus and Mars.

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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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