Episodes

In today's image, we see a video composed of images from the Lunar Reconnaissance Orbiter showing what it would look like if we could see the Moon as it rotates on its axis. 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 this podcast. I w...

In today's image, we see the cluster sometime known as Pandora's Cluster. This is a large galaxy cluster which appears to be three clusters merging together. 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 this podcast. I welcome comments ...

In today's image, we see an image of Pluto as taken by the New Horizons spacecraft over a decade ago. This image was taken shortly after New Horizons passed by Pluto so we can see it from behind looking back toward 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 website directly at: Astronomy Picture of the Day. You can use the archive link below the image to select the pho...

In today's image, we see the supernova remnant known as the Witch's Broom Nebula. This is the remnant of a star that would have been seen to explode here on Earth about ten thousand 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 below the image to select the photo corresponding to the date of...

In today's image, we see an image of Comet Lemmon, the third comet currently visible in the sky with the aid of binoculars. The comet will make its closes approach to Εarth on October 21 and its closest approach to the Sun a couple of weeks later. 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...

In today's image, we see Comet SWAN and Comet ATLAS as they appear close to one another 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 below the image to select the photo corresponding to the date of this podcast. I welcome comments and suggestions about these podcasts. I can be reached her...

In today's image, we see a close-up of spots on Martian rocks as discovered by the Perseverance Rover. There is a possibility that such spots could have a biological origin although there are other possibilities for the origin of these. 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 s...

In today's image, we see a rocket imaged as it passed across the face of the Sun 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 below the image to select the photo corresponding to the date of this podcast. I welcome comments and suggestions about these podcasts. I can be reached here: wagn...

In today's image, we see two comets: Comet SWAN and Comet ATLAS as well as the planet Mars in this image. 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 this podcast. I welcome comments and suggestions about these podcasts. I can be reach...

In today's image, we see Saturn on the day of opposition when it was directly opposite to the Sun in the sky a few days ago. Here it is wishing the gegenschein, a glow caused by light back scattered off of dust in the 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 archive link below the image to select...

In today's image, we see an illustration showing the area around colliding black holes. This is meant to illustrate the collision detected earlier this year of two black holes - A collision which occurred a billion years ago, but is just being detected as the gravitational waves finally reach 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 Pictu...

In today's image, we see NGC 6357 which contains some of the most massive stars known, pushing toward 100 times the mass of our own 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 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 this podcast. I welcome comments and suggestions about...

In today's image, we see images of Saturn showing the changing position of the rings as its equinox approaches. 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 this podcast. I welcome comments and suggestions about these podcasts. I can be...

In today's image, we see different paths of the Sun as it sets at different times of year. As the equinox approaches, the view will be like the center line where the Sun sets due West. 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 this po...

In today's image, we see the waning crescent Moon as well as the planet Venus in its gibbous phase as they passed relatively near to one another recently. 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 this podcast. I welcome comments and...

In today's image, we see the nebulae around NGC 6914. These include red emission nebulae as well as blue reflection nebulae. 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 this podcast. I welcome comments and suggestions about these podca...

In today's image, we see the comet known as SWAN25B. This comet made its closest approach to the Sun shortly after it was discovered a week ago. It is currently moving closer to Earth although it will not come near striking 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 the Day. You can use the archive link below the image to select ...

In today's image, we see various nebulae and star clusters located in the direction of the constellations of Sagittarius which is located near the plane of the 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 below the image to select the photo corresponding to the date of this podcast. ...

In today's image, we see a newly discovered comet known as SWAN25B. The comet is currently moving closer to Earth and will likely brighten over the next month. How bright it will get is still a good question. 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...

In today's image, we see a computer simulator of a powerful coronal mass ejection striking Earth's magnetic field. A strong enough CME could push the Earth's magnetic field below the orbits of communications satellites leaving them open to potential damage. 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...

In today's image, we see a video which demonstrates the tilt and rotational spin of each of the eight planets in the 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 archive link below the image to select the photo corresponding to the date of this podcast. I welcome comments and suggestions about these...

In today's image, we see star trails in the sky over the One-Mile Radio Telescope in the United Kingdom. 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 this podcast. I welcome comments and suggestions about these podcasts. I can be reache...

In today's image, we see images of the lunar eclipse as viewed in both the Northern and Southern Hemispheres of Earth. This shows the different perspectives from different positions on the spherical 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 the Day. You can use the archive link below the image to select the photo corresponding t...

In today's image, we see images from the recent lunar eclipse. The red and blue colors are caused by light being scattered differently by different parts 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 image to select the photo corresponding to the date of this podcast. ...