NASA’s Astronomy Picture of the Day
These podcasts are my discussion of NASA's Astronomy Picture of the Day. These are brief (3-5 minute) audio summaries of the picture posted on NASA's Picture of the Day website: APOD. Video versions of these are available on YouTube. I use these as the introduction to each of my introductory astronomy classes. Students will be able to access them here to review what was discussed in class. I appreciate any comments or suggestions which can be sent to: [email protected].
- Update frequency
- every day
- Average duration
- 3 minutes
- Episodes
- 1075
- Years Active
- 2022 - 2025
2025 February 01 - Nacreous Clouds over Sweden
In today's image, we see a specific type of high altitude cloud, known as nacreous clouds as seen over Sweden a few weeks ago.
My podcasts are available in video form through this YouTube Channel.
Thi…
2025 January 31 - The Variable Nebula NGC 2261
In today's image, we see an example a a variable nebula which changes brightness and appearance in timescales of just a few weeks.
My podcasts are available in video form through this YouTube Channel…
2025 January 30 - Hydrogen Clouds of M33
In today's image, we see an image of M33, also known as the Triangulum Galaxy, which is one of the three large spiral galaxies in our Local Group of galaxies. Here, we see the red H II regions highli…
2025 January 29 - Dust Shells Around WR 140 from Webb
In today's image, we see a series of rings around a Wolf-Rayet star. They appear be be expelled every eight years, which may be related to the orbital period of the star and its companion.
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2025 January 28 - Comet G3 ATLAS over Uruguay
In today's image, we see the comet known as G3 ATLAS. The nucleus of the comet appear to have broken apart, but the comet remains visible to observers in the southern hemisphere
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2025 January 27 - Pleiades over Half Dome
In today's image, we see the Pleiades star cluster as imaged over half Dome in Yosemite National Park.
My podcasts are available in video form through this YouTube Channel.
This Podcast is an authoriz…
2025 January 26 - The Many Tails of Comet G3 ATLAS
In today's image, we see the prominent tails of the comet known as G3 ATLAS which is currently visible just after sunset for those living in the southern hemisphere
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2025 January 25 - Stardust in the Perseus Molecular Cloud
In today's image, we see a portion of the Perseus Molecular Cloud. Here we see the dust in the region as well as a reflection nebula, Herbig-Haro object and other signs of star formation.
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2025 January 24 - Comet G3 ATLAS: A Tail and a Telescope
In today's image, we see comet ATLAS as seen a few days ago with a prominent tail. The nucleus appears to be disintegrating from its close approach to the Sun a week and a half ago.
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2025 January 23 - NGC 7814: Little Sombrero
In today's image, we see the galaxy known as the Little Sombrero for its appearance and resemblance to the Sombrero Galaxy. This is a spiral galaxy, like our Milky Way seen edge-on.
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2025 January 22 - The North America Nebula
In today's image, we see the North America Nebula where the outline resembles the eastern coast of North America. This is an example of an emission nebula in a star forming region.
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2025 January 21 - Comet ATLAS over Brasilia
In today's image, we see comet ATLAS in the sky over Brasilia. As the comet moves away from the Sun, it will be visible in the southern hemisphere before it fades and becomes too faint.
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2025 January 20 - Comet ATLAS Rounds the Sun
In today's image, we see comet ATLAS as Imaged by the SOHO spacecraft studying the Sun. The comet just made its closest approach to the Sun and is currently lost in the Sun's glare. If it remains bri…
2025 January 19 - Titan Touchdown: Huygens Descent Video
In today's image, we see the descent video from the Huygens lander from 2005 which is became the first craft to land on an object in the outer solar system. In this case, the large moon of Saturn, Ti…
2025 January 18 - Full Moon, Full Mars
In today's image, we see the full moon as the planet Mars passed behind it in what is known as an occultation.
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This Podcast is an a…
2025 January 17 - Supernova Remnant Cassiopeia A
In today's image, we see the supernova remnant known as Cassiopeia A. This is the remnant of a massive star that would have been seen to explode as viewed from Earth several hundred years ago.
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2025 January 16 - M83: The Southern Pinwheel
In today's image, we see the spiral galaxy known as M83 or the Southern Pinwheel.
My podcasts are available in video form through this YouTube Channel.
This Podcast is an authorized New Media Mirror S…
2025 January 15 - Wolf Moon Engulfs Mars
In today's image, we see the January full moon, known as the Wolf Moon which has just passed directly in front of Mars in what is called an occultation.
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2025 January 14 - North Star: Polaris and Surrounding Dust
In today's image, we see the North Star, also known as Polaris which is the star which happens to be located close to the North Celestial Pole on the sky. The deep exposure brings out the Integrated …
2025 January 13 - Comet ATLAS Before Sunrise
In today's image, we see comet ATLAs as seen before sunrise recently. While currently rather bright, it is also hidden by the glare of the Sun. We shall see over the next week or two if it will survi…