NASA’s Astronomy Picture of the Day

These podcasts are commentary and discussions of images posted on the Astronomy Picture of the Day website.

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2023 April 04: Olympus Mons: Largest Volcano in the Solar System

Posted April 4, 202300:03:59

In today's image, we see Olympus Mons on Mars. This is the largest volcano in the solar system, much larger than any volcano on Earth or Venus. It can...

2023 April 03 - The Galactic Center Radio Arc

Posted April 3, 202300:03:33

In today's image, we see the central portion of our galaxy in radio waves. We need to use radio waves because dust n the plane of the galaxy will keep...

2023 April 02 - M57: The Ring Nebula from Hubble

Posted April 2, 202300:03:52

In today's image, we see the Ring Nebula which is an example of a planetary nebula. This will be the end state of our own Sun - the core will collapse...

2023 April 01 - NGC 2442: Galaxy in Volans

Posted April 1, 202300:04:33

In today's image, we see a barred spiral in the constellation of Volans. Note the distortion of the upper spiral arm which was likely cause by the interaction...

2023 March 31 - Seeing Titan

Posted March 31, 202300:04:30

In today's image, we see several images of the large moon of Saturn known as Titan. This moon is continually shrouded in clouds which prevent us from...