In today's image, we see the nebula known as Thor's Helmet for its distinctive appearance. This is the nebula around a young Wolf-Rayet star. These are extremely hot and massive stars which expel material out into space. They are also stars that are expected to become supernovae at some point in the future.

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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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