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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Recent Episodes

2024 November 10 - Valles Marineris: The Grand Canyon of Mars

Posted November 10, 2024

In today's image, we see Valles Marineris, a great canyon stretching across the face of Mars. It is much longer than our own Grand Canyon on Earth,...

2024 November 09 - Neptune at Night

Posted November 9, 2024

In today's image, we see the outermost planet in the solar system as see from behind by the Voyager 2 spacecraft in 1989. Voyager 2 is the only craft...

2024 November 08 - Helping Hand in Cassiopeia

Posted November 8, 2024

In today's image, we see dust clouds in the constellation of Cassiopeia, learning to new start formation. In addition, the dust will dim and redden...

2024 November 07 - Shell Galaxies in Pisces

Posted November 7, 2024

In today's image, we see galaxies with shells of material around them which are likely caused by interactions with smaller galaxies which have been...

2024 November 06 - Comet Tsuchinshan-ATLAS over the Dolomites

Posted November 6, 2024

In today's image, we see comet Tsuchinshan-ATLAS in this image from last month when it was prominently visible in the sky. The comet has since faded...