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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2025 November 23 - The Observable Universe

Posted November 23, 202500:04:16

In today's image, we see - Everything. This is the entire observable universe. Our solar system is at the center and regions further out contain stars...

2025 November 22 - Dione and Rhea Ring Transit

Posted November 22, 2025

In today's image, we see the moons of Saturn - Dione and Rhea as they cross Saturn's ring plane as seen from Earth. The rings appear thin as they are...

2025 November 21 - 3I/ATLAS: A View from Planet Earth

Posted November 21, 2025

In today's image, we see the interstellar object known as 3I/ATLAS. This is the third object discovered that has visited our solar system from outside....

2025 November 20 - Alnitak, Alnilam, Mintaka

Posted November 20, 2025

In today's image, we see the three bright stars that make up the belt of Orion. In addition, we see some of the nebulae that are also present in this...

2025 November 19 - Chamaeleon Dark Nebulas

Posted November 19, 2025

In today's image, we see dark nebulae in the constellation of Chamaeleon which is visible in the southern skies. This region also includes the beta...