In today's image, we see the first quarter moon above a mountain. Here we can see the similar shadows of both objects. We note that the right side is illuminated while the left side is dark. This is caused by the fact that both shadows are created by light from our own 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.