In today's image, we see the nebula around a Worf-Rayet star. The Wolf-Rayet stars are the most massive and hottest stars in the universe and are the type that will end their lives as supernovae. Here we see a nebula of material expelled by the stellar wind and pushed out into space, energized by the ultraviolet radiation of the star.

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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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