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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2021 August 17 - M57: The Ring Nebula from Hubble

Posted August 17, 202100:04:01

In today's image, we see M57 also known as the Ring Nebula. This is an example of a planetary nebula which is the end state of most stars, including...

2021 August 16 - Perseid Meteor, Red Sprites, & Nova RS Ophiuchus

Posted August 16, 202100:04:40

In today's image, we see our Milky Way galaxy, a Perseid meteor, several examples of red sprite lightning, and Nova RS Ophiuchus.


My...

2021 August 15 - Perseid Rain

Posted August 15, 202100:04:35

In today's image, we see the "rain" of the Perseid meteors. We note that the "rain" appears to come from a point near the top of the image in the constellation...

2021 August 14 - Island Universe, Cosmic Sand

Posted August 14, 202100:03:43

In today's image, we see a number of objects at widely varying distances from us. The meteor is a small grain of material from comet Swift-Tuttle burning...

2021 August 13 - A Perfect Spiral

Posted August 13, 202100:04:11

In today's image, we see a spiral galaxy as seen almost directly from above (or below!) The galaxy shows the distinct dust lanes, red hydrogen regions,...