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 July 12 - Rings and Bar of Spiral Galaxy NGC 1398

Posted July 12, 2023

In today's image, we see the spiral galaxy NGC 1398. This is an example of a ring galaxy which also has a bar across its center. The ring may have been...

2023 July 11 - Sunspots on an Active Sun

Posted July 11, 202300:04:27

In today's image, we see the sunspots that have been visible on the face of the Sun for the first six months of this year. You will see multiple images...

2023 July 10 - Stars, Dust and Nebula in NGC 6559

Posted July 10, 202300:04:03

In today's image, we see the star forming region NGC 6559. Here we see the three types of nebulae associated with star formation - Dark, dusty nebulae,...

2023 July 09 - Doomed Star Eta Carinae

Posted July 9, 2023

In today's image, we see the star known as Eta Carinae. This is called a doomed star because it is the type of star the will end its life in a supernova...

2023 July 08 - Stickney Crater

Posted July 8, 2023

In today's image, we see Stickney crater on Phobos, one of the two small moons of Mars. The crater itself is nearly half the size of the moon, meaning...