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 November 03 - A Double Helix Lunar Eclipse 03.11.2025

In today's image, we see a lunar eclipse which occurred last month. In addition, we see the double helix - the Milky Way and the zodiacal light in the 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 archive link b...

2025 November 02 - A Horseshoe Einstein Ring from Hubble 02.11.2025

In today's image, we see an almost complete Einstein ring which is caused by the closer elliptical galaxy which bends the light from the more distant galaxy into a horseshoe shape. 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 c...

2025 November 01 - Pleaides from Planet Earth 01.11.2025

In today's image, we see the Pleiades star cluster. This is also known as M45 and is a prominent star cluster visible in the sky, located in the constellation of Taurus. 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 October 31 - Ghosts in Cassiopeia 01.11.2025

In today's image, we see patterns that may resemble ghosts located in the direction of the constellation of Cassiopeia. 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 c...

2025 October 30 - Lynds Dark Nebula 43 30.10.2025

In today's image, we see the object known as Lynds Dark Nebula 43 which has the rough appearance of a bat flying across the sky. It is actually a dark nebula and a region where stars are currently forming. 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 P...

2025 October 29 - Dust Shapes of the Ghost Nebula 29.10.2025

In today's image, we see the region around the Ghost Nebula in the constellation of Cepheus. This is a part of a star forming region which new stars forming and the dust reflecting their light giving what is known as a reflection 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...

2025 October 28 - NGC 6995: The Bat Nebula 28.10.2025

In today's image, we see the nebula known as the Bat Nebula. this is a part of the Veil supernova remnant which also contains another nebula of the Halloween season - The Witch's Broom 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...

2025 October 27 - Two Tails of Comet Lemmon 27.10.2025

In today's image, we see Comet Lemmon which remains visible in the northwest after sunset for observers in the northern hemisphere. While barely visible with the unaided eye, it is better seen with binoculars or by taking an image of the area with a camera. My podcasts are available in video form through this YouTube Channel . This Podcast is an authorized New Media Mirror Site for APOD. You can a...

2025 October 26 - Halloween and the Ghost Head Nebula 26.10.2025

In today's image, we see the Ghost Head Nebula which is a star forming region in the Large Magellanic Cloud. We also leek at Halloween and discuss it as a cross-quarter day - halfway between an equinox and a solstice. 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 October 25 - Webb's Rho Ophiuchi 25.10.2025

In today's image, we see Rho Ophiuchi star forming region as imaged by the James Webb Space Telescope. The is the nearest star forming region to our own solar system. 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 arc...

2025 October 24 - Saturn at Night 24.10.2025

In today's image, we see Saturn as imaged by the Cassini spacecraft back in September of 2017 a couple of days before it was plunged into Saturn's atmosphere at the end of its mission. 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 . Y...

2025 October 23 - SWAN, Swan, Eagle 23.10.2025

In today's image, we see the Swan and Eagle Nebulae as well as Comet SWAN as it passes in front of some of the bright star clouds of our Milky Way 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 link be...

2025 October 22 - Comet Lemmon over the High Tatras 22.10.2025

In today's image, we see a composite image of 50 photos put together to show detail in the tails of Comet Lemmon. The comet is currently visible in northern skies if one looks toward the northwest after sunset. It will be relatively low on the horizon so a clear view of the horizon will help. My podcasts are available in video form through this YouTube Channel . This Podcast is an authorized New M...

2025 October 21 - IC 1805: The Heart Nebula 21.10.2025

In today's image, we see the emission nebula known as the Heart Nebula. This is a star forming region in the process of forming a new cluster of stars. 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...

2025 October 20 - Finding Comet Lemmon 20.10.2025

In today's image, we see Comet Lemmon which is currently visible near the Big Dipper in the Northern sky. It may be easier to find using your camera phone to take a picture of the area as that will be more sensitive than your eye. 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 October 19 - Comet Churyumov-Gerasimenko Creates Its Tails 19.10.2025

In today's image, we see comet Churyumov-Gerasimenko as imaged by the Rosetta spacecraft. This shows jets of materials being expelled from the comet which are what helps to form the coma and tails of a comet. 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: Astronom...

2025 October 18 - 3D Bennu 18.10.2025

In today's image, we see the asteroid named Bennu. This asteroid was visited by the ORIRIS-REx spacecraft and returned a sample of this asteroid to Earth in 2023 for more detailed laboratory study. 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 o...

2025 October 17 - Ida and Dactyl: Asteroid and Moon 17.10.2025

In today's image, we see the second asteroid to be visited by a spacecraft which was the asteroid Ida which was visited by the Galileo spacecraft on its way to Jupiter in 1993. It was found to have a small moon orbiting it, which has been named Dactyl. 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...

2025 October 16 - Young Suns of NGC 7129 16.10.2025

In today's image, we see the seat forming region known as NGC 7129. This may be much like the region where our own Sun formed five billion or so years ago. 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 b...

2025 October 15 - Rocket Launch Plume over Tucson 15.10.2025

In today's image, we see the plume from the launch of a Falcon 9 rocket which was delivering multiple Starling communications satellites to 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...

2025 October 14 - An Unusual Globule in IC 1396 14.10.2025

In today's image, we see a part of the Elephant Trunk Nebula which is also known by its catalog designations of IC 1396. This is also considered a cometary globule for its resemblance to a comet with a head and tail. 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 October 13 - Lemmon Tree 13.10.2025

In today's image, we see Comet Lemmon positioned above a tree here on Earth. Comet Lemmon has reached its closest approach to our Sun and is now approaching Earth - although it is not passing close enough to be a danger - It is expected to brighten and may become visible to the unaided eye over the next few weeks. My podcasts are available in video form through this YouTube Channel . This Podcast...

2025 October 12 - All the Water on Europa 12.10.2025

In today's image, we see a comparison of the water on Earth versus the water on Jupiter's moon, Europa. Despite its smaller size, Europa is expected to have more water than the much larger Earth. 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...

2025 October 11 - Manicouagan Impact Crater from Space 11.10.2025

In today's image, we see the Manicouagan impact crater in Quebec, Canada as imaged from the International Space Station back in 2019. 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 sele...

2025 October 10 - 50 Light Years to 51 Pegasi 10.10.2025

In today's image, we see the sky above the telescope dome where the exoplanet 51 Pegasi b was discovered - this was the first discovery of a planet around a star like our Sun and the fist discovery of the type of planet which become known as a "Hot Jupiter". My podcasts are available in video form through this YouTube Channel . This Podcast is an authorized New Media Mirror Site for APOD. You can...

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