In today's image, we see an artist's conception of the accretion disk and jet of a supermassive black hole. Recent measurements have shown that black holes are spinning at close to a limit as measured my material at the inner edge of the accretion disk moving at close to the speed of light.

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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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