In today's image, we see star trails in the sky. These occur when a camera is left open to expose the sky but it is not being rotated to take the rotation of Earth into account.
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
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