In today's image, we see an image of Comet Pons-Brooks. The coma is highlighted to show the swirling pattern around it. It is thought this might be caused by the rotation of the nucleus of the comet as material is vaporized of its surface by the energy of the Sun.

My podcasts are available in video form through this YouTube Channel.

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.

I welcome comments and suggestions about these podcasts. I can be reached here: wagnerastronomy@gmail.com

This work is licensed under a Creative Commons Attribution 4.0 International License.