In today's image, we see the central regions of the Crab Nebula showing the pulsar located at the center. A pulsar is a rapidly spinning neutron star - which is a star pressed together by gravity such that it has the density of an atomic nucleus.

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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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