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 June 02 - Messier 101

Posted June 2, 2023

In today's image, we see the prominent spiral galaxy known as Messier 101. We see the galaxy face-on looking down on its spiral structure with the great...

2023 June 01 - Recycling Cassiopeia A

Posted June 1, 2023

In today's image, we see the supernova remnant known as Cassiopeia A. This would have been seen to explode from Earth back in the later 1600. However,...

2023 May 31 - Simulation: A Galaxy Disk Forms

Posted May 31, 2023

In today's image, we see a simulation showing the formation of a galaxy disk over billions of years compressed down into about 2 minutes. Galaxy evolution...

2023 May 30 - M27: The Dumbbell Nebula

Posted May 30, 202300:03:42

In today's image, we see the Dumbbell Nebula, also known as M27. This is an example of a planetary nebula which is the end state of a star much like...

2023 May 29 - Milky Way over a Turquoise Wonderland

Posted May 29, 202300:03:35

In today's image, we see bioluminescent plankton giving off light in the waves off an island in the Indian Ocean. In the sky, we see the Milky Way as...