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 November 17 - NGC 3314: When Galaxies Overlap

Posted November 17, 202100:03:26

In today's image, we see two spiral galaxies which overlap on the sky. These galaxies are not close to each other in space being about 20 million light...

2021 November 16 - Geminids from Gemini

Posted November 16, 202100:04:08

In today's image, we see the Geminid meteor shower from last year. This meteor shower occurs in mid-December each year when Earth passes through debris...

2021 November 15 - Light Pillar over Volcanic Etna

Posted November 15, 202100:03:30

In today's image, we see a light pillar over Mount Etna in Italy. This is caused by ice crystals in the atmosphere over the volcano that create the...

2021 November 14 - How to Identify that Light in the Sky

Posted November 14, 202100:03:09

In today's image, we see a flow chart to help you to identify an object seen in the night sky 0 with a little humor thrown in as well.


My...

2021 November 13 - Rosetta's Comet in Gemini

Posted November 13, 202100:03:24

In today's image, we see Rosetta's Comet - the final resting place of the Rosetta Spacecraft which orbited this comet during it previous passage in...