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 September 24 - GW250114: Rotating Black Holes Collide

Posted September 24, 2025

In today's image, we see an illustration showing the area around colliding black holes. This is meant to illustrate the collision detected earlier this...

2025 September 23 - NGC 6357: Cathedral to Massive Stars

Posted September 23, 2025

In today's image, we see NGC 6357 which contains some of the most massive stars known, pushing toward 100 times the mass of our own Sun.


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2025 September 22 - Equinox at Saturn

Posted September 22, 2025

In today's image, we see images of Saturn showing the changing position of the rings as its equinox approaches.


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2025 September 21 - Equinox Sunset

Posted September 21, 2025

In today's image, we see different paths of the Sun as it sets at different times of year. As the equinox approaches, the view will be like the center...

2025 September 20 - Gibbous vs Crescent

Posted September 20, 2025

In today's image, we see the waning crescent Moon as well as the planet Venus in its gibbous phase as they passed relatively near to one another recently.