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 31 - Phobos over Mars

Posted July 31, 2023

In today's image, we see the largest of the two moons of Mars with the planet in the background. Phobos is in a very low and decaying orbit and will...

2023 July 30 - Spiral Aurora over Icelandic Divide

Posted July 30, 2023

In today's image, we see a spiral shaped aurora over Iceland. The aurora are caused when charged particles from our Sun strike Earth's magnetic field...

2023 July 29 - Apollo 11: Catching Some Wind

Posted July 29, 202300:03:27

In today's image, we see an image taken by Neil Armstrong showing Buzz Aldrin setting up an experiment to capture some particles of the solar wind....

2023 July 28 - Young Stars, Stellar Jets

Posted July 28, 202300:04:16

In today's image, we see a newly formed star system consisting of a pair of young stars which are expelling material in jets. The material in these...

2023 July 27 - Galaxies in the River

Posted July 27, 202300:03:38

In today's image, we see a distorted spiral galaxy located in the constellation of Eridanus - the River. The distortion is caused by the gravitational...