Episode Details

In today's image, we see the Iris Nebula. This is an example of a reflection nebula which light from a hot star is scattered off of dust grains around the star. The blue color is because the blue light is more effective;y scattered than red light would be.

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.