Robert M Wagner

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: wagnerastronomy@gmail.com.

Author

Robert M Wagner

Category

Education

Podcast website

podcast.show

Latest episode

Jul 11, 2026

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Episodes

2025 March 22 - SuperCam Target on Ma'az 22.03.2025

In today's image, we see an image of a rock on Mars. This rock was capped with a laser which can then be heard through the thin Martial atmosphere as a series of pops. My podcasts are available in video form through this YouTube Channel . This Podcast is an authorized New Media Mirror Site for APOD. You can access the image and website directly at: Astronomy Picture of the Day . You can use the ar...

2025 March 21 - The Leo Trio 21.03.2025

In today's image, we see three galaxies in the constellation of Leo known as the Leo Triplet. These are three spiral galaxies but are seen in different orientations, giving us different views of each of the galaxies. My podcasts are available in video form through this YouTube Channel . This Podcast is an authorized New Media Mirror Site for APOD. You can access the image and website directly at:...

2025 March 20 - The Solar Eclipse Analemma Project 20.03.2025

In today's image, we see an analemma of the Sun, formed by taking an image of the Sun at regular intervals over the course of a year. The analemma gets its shape from a combination of Earth's tilt and its elliptical orbit around the Sun. My podcasts are available in video form through this YouTube Channel . This Podcast is an authorized New Media Mirror Site for APOD. You can access the image and...

2025 March 19 - Blue Ghost's Diamond Ring 19.03.2025

In today's image, we see a solar eclipse as seen from our Moon. In this case, it is the Earth passing in front of the Sun, blocking out its light. Here we see the ring of Earth's atmosphere with light coming through it as well as the "diamond" which is the last sliver of sunlight visible. My podcasts are available in video form through this YouTube Channel . This Podcast is an authorized New Media...

2025 March 18 - LDN 1235: The Shark Nebula 18.03.2025

In today's image, we see the dark nebula known by its more popular name of the Shark Nebula. My podcasts are available in video form through this YouTube Channel . This Podcast is an authorized New Media Mirror Site for APOD. You can access the image and website directly at: Astronomy Picture of the Day . You can use the archive link below the image to select the photo corresponding to the date of...

2025 March 17 - Thor's Helmet 17.03.2025

In today's image, we see the nebula known by the popular name of Thor's Hemet. Much of the nebula is a bubble of material being expelled by a hot, young Wolf-Rayet star. My podcasts are available in video form through this YouTube Channel . This Podcast is an authorized New Media Mirror Site for APOD. You can access the image and website directly at: Astronomy Picture of the Day . You can use the...

2025 March 16 - Venus and the Triply Ultraviolet Sun 16.03.2025

In today's image, we see the transit of Venus from 2012, when Venus passed directly in front of our Sun. This event will not occur again until 2117. My podcasts are available in video form through this YouTube Channel . This Podcast is an authorized New Media Mirror Site for APOD. You can access the image and website directly at: Astronomy Picture of the Day . You can use the archive link below th...

2025 March 15 - Tololo Totality 15.03.2025

In today's image, we see three images from the total eclipse from yesterday. The Moon appears this blood read color because of light bend by Earth's atmosphere which fills Earth's shadow with a deep red light. My podcasts are available in video form through this YouTube Channel . This Podcast is an authorized New Media Mirror Site for APOD. You can access the image and website directly at: Astrono...

2025 March 14 - Moon Pi and Mountain Shadow 14.03.2025

In today's image, we see our Moon rising off in the distance as the Sun sets behind the observer. We can also see the shadow of the mountain against the distant sky. My podcasts are available in video form through this YouTube Channel . This Podcast is an authorized New Media Mirror Site for APOD. You can access the image and website directly at: Astronomy Picture of the Day . You can use the arch...

2025 March 13 - The Protostars within Lynds 483 13.03.2025

In today's image, we see the region in Lynds 483 where a pair of protostars are forming at the center with a great outflow of material into the surrounding area. My podcasts are available in video form through this YouTube Channel . This Podcast is an authorized New Media Mirror Site for APOD. You can access the image and website directly at: Astronomy Picture of the Day . You can use the archive...

2025 March 12 - NGC 772: The Fiddlehead Galaxy 12.03.2025

In today's image, we see the galaxy known as the Fiddlehead Galaxy and also known by its catalog designation of NGC 772. My podcasts are available in video form through this YouTube Channel . This Podcast is an authorized New Media Mirror Site for APOD. You can access the image and website directly at: Astronomy Picture of the Day . You can use the archive link below the image to select the photo...

2025 March 11 - NGC 1672: Barred Spiral Galaxy from Hubble 11.03.2025

In today's image, we see the galaxy known as NGC 1672. This is an example of a barred spiral galaxy, much like our own Milky Way. My podcasts are available in video form through this YouTube Channel . This Podcast is an authorized New Media Mirror Site for APOD. You can access the image and website directly at: Astronomy Picture of the Day . You can use the archive link below the image to select t...

2025 March 10 - NGC 1499: The California Nebula 10.03.2025

In today's image, we see the emission nebula known as the California Nebula for its resemblance to the western coast of the Uniter States. My podcasts are available in video form through this YouTube Channel . This Podcast is an authorized New Media Mirror Site for APOD. You can access the image and website directly at: Astronomy Picture of the Day . You can use the archive link below the image to...

2025 March 09 - Cyclones at Jupiter's North Pole 09.03.2025

In today's image, we see an image from the Juno spacecraft showing the cyclones around Jupiter's North Pole. My podcasts are available in video form through this YouTube Channel . This Podcast is an authorized New Media Mirror Site for APOD. You can access the image and website directly at: Astronomy Picture of the Day . You can use the archive link below the image to select the photo correspondin...

2025 March 08 - Galaxies in Space 08.03.2025

In today's image, we see three galaxies as imaged from the International Space Station from its low Earth orbit. My podcasts are available in video form through this YouTube Channel . This Podcast is an authorized New Media Mirror Site for APOD. You can access the image and website directly at: Astronomy Picture of the Day . You can use the archive link below the image to select the photo correspo...

2025 March 07 - Planetary Nebula Abell 7 07.03.2025

In today's image, we see the planetary nebula known as Abell 7. A planetary nebula is the end state of a star much like our own Sun which has exhausted its fuel and expels the outer layers out into space. My podcasts are available in video form through this YouTube Channel . This Podcast is an authorized New Media Mirror Site for APOD. You can access the image and website directly at: Astronomy Pi...

2025 March 06 - Starburst Galaxy Messier 94 06.03.2025

In today's image, we see the spiral galaxy known as Messier 94. This is a galaxy that has recently undergone a burst of star formation. It is also an active galaxy of the class known as a Seyfert galaxy. My podcasts are available in video form through this YouTube Channel . This Podcast is an authorized New Media Mirror Site for APOD. You can access the image and website directly at: Astronomy Pic...

2025 March 05 - Seven Sisters versus California 05.03.2025

In today's image, we see the Pleiades star cluster and the surrounding reflection nebula on the right side, the California Nebula, an emission nebula on the left side. My podcasts are available in video form through this YouTube Channel . This Podcast is an authorized New Media Mirror Site for APOD. You can access the image and website directly at: Astronomy Picture of the Day . You can use the ar...

2025 March 04 - A Quadruple Alignment over Italy 04.03.2025

In today's image, we see our Moon in the sky, heavily distorted as it is low in the sky, its light passing through more of Earth's atmosphere. My podcasts are available in video form through this YouTube Channel . This Podcast is an authorized New Media Mirror Site for APOD. You can access the image and website directly at: Astronomy Picture of the Day . You can use the archive link below the imag...

2025 March 03 - Blue Ghost on the Moon 03.03.2025

In today's image, we see the Blue Ghost lander on the Moon. The landing occurred yesterday and is the first commercial landing on our Moon, bringing various scientific instruments for NASA. Future landers will assist in the Artemis Program to land humans on the Moon again in a few years. My podcasts are available in video form through this YouTube Channel . This Podcast is an authorized New Media...

2025 March 02 - The Hubble Ultra Deep Field in Light and Sound 02.03.2025

In today's image, we see the Hubble Ultra Deep Field, an image taken over 20 years ago when Hubble was pointed at a relatively blank area of the sky. The image is coded with sounds so that more distant galaxies give a lower pitch. My podcasts are available in video form through this YouTube Channel . This Podcast is an authorized New Media Mirror Site for APOD. You can access the image and website...

2025 March 01 - Blue Ghost to the Moon 01.03.2025

In today's image, we see the Blue Ghost craft of the Moon. The Blue Ghost is scheduled to touch down tomorrow (March 2) to explore a part of the Mare Crisium on the near side of our Moon. My podcasts are available in video form through this YouTube Channel . This Podcast is an authorized New Media Mirror Site for APOD. You can access the image and website directly at: Astronomy Picture of the Day...

2025 February 28 - Athena to the Moon 28.02.2025

In today's image, we see the Athena craft as it leaves Earth heading to our Moon. It is scheduled to land on the Moon on March 6 and explore the region around the South Pole, which is a potential landing site for the Artemis 3 mission to land humans on the Moon. My podcasts are available in video form through this YouTube Channel . This Podcast is an authorized New Media Mirror Site for APOD. You...

2025 February 27 - Open Star Clusters M35 and NGC 2158 27.02.2025

In today's image, we see two one star clusters which appear close in the sky but are actually at very different distances and ages. My podcasts are available in video form through this YouTube Channel . This Podcast is an authorized New Media Mirror Site for APOD. You can access the image and website directly at: Astronomy Picture of the Day . You can use the archive link below the image to select...

2025 February 26 - Einstein Ring Around Nearby Galaxy Center 26.02.2025

In today's image, we see a recently released photo from the Euclid Telescope, showing a complete Einstein Ring around the center of a nearby elliptical galaxy. My podcasts are available in video form through this YouTube Channel . This Podcast is an authorized New Media Mirror Site for APOD. You can access the image and website directly at: Astronomy Picture of the Day . You can use the archive li...

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