These podcasts are commentary and discussions of images posted on the Astronomy Picture of the Day website.
In today's image, we see combination of thousands of different images, taken one vertical column at a time to show the changes in the sky over the...
In today's image, we see tube globular star cluster known as M15. Globular star clusters are some of the oldest objects in the universe, many having...
In today's image, we see the Shark Nebula, which is an example of a dusty nebula in a region of star formation in a molecular cloud. The two brighter...
In today's image, we see the two innermost large moons of Jupiter - Io and Europa as they orbit around the giant planet. We also see the Great Red Spot,...
In today's image, we see the two largest satellites of Earth. The largest satellite is the one natural satellite, our own Moon. The next largest satellite...