These podcasts are commentary and discussions of images posted on the Astronomy Picture of the Day website.
In today's image, we see the asteroid Ida with its moon, Dactyl. This moon was discovered in 1993 when the Galileo spacecraft flew by the asteroid on...
In today's image, we see Neptune and its large moon Triton as timed by the Voyager 2 spacecraft back in 1989. Voyager 2 is the only spacecraft to have...
In today's image, we see part of the Virgo galaxy cluster including the giant elliptical galaxy M87 which is near the lower part of the image. We also...
In today's image, we see the Cat's Eye Nebula, an example of a planetary nebula which is the end state of a star much like our own Sun. In this deep...
In today's image, we see Lick Observatory, where the moon Amalthea was discovered visually (just by looking through the telescope, not using any photographic...