In today's image, we see the spectrum of our Sun. The spectral lines are specific to different elements. Studying the strengths of the spectral lines helps us to determine the composition of our Sun. Although the origin of some of the lines is still unknown.

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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