In today's image, we see a closeup image of Comet Leonard showing the head or coma of the comet in green - which is caused by emission from diatomic carbon. We can all see much of the detailed structure of the tail which is pushed back from the comet by the solar wind.
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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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