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

2025 September 03 - Cir X-1: Jets in the Africa Nebula

Posted September 3, 202500:03:50

In today's image, we see recently studied jets within the Africa Nebula around the neutron star - the x-ray source of Cir X-1. New studies show that...

2025 September 02 - The Horsehead and Flame Nebulas

Posted September 2, 2025

In today's image, we see the dark nebula known as the Horsehead nebula off to the right. To the left we see the Flame Nebula and at the top of the image,...

2025 September 01 - Callisto: Dirty Battered Iceball

Posted September 1, 2025

In today's image, we see one of the large moons of Jupiter - Callisto. this is one of the large moons of the solar system, which shows cratering on...

2025 August 31 - NGC 7027: The Pillow Planetary Nebula

Posted August 31, 2025

In today's image, we see what is known as the Pillow Planetary Nebula. This type of nebula forms when a star like our Sun reaches the end of its life...

2025 August 30 - A Two Percent Moon

Posted August 30, 2025

In today's image, we see the very young crescent moon - only 1.5 days old and only 2% of the visible face of the Moon illuminated. This is a waxing...