Episodes

In today's image, we see what are known as superplumes inside Earth, detected by the motions of earthquake waves through Earth's interior. The exact cause of these superplumes is still debated. 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 o...

In today's image, we see part of the Triffid Nebula (M20) including desert pillars of material where stars are forming and jets from some of the young stars that are 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 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 ...

In today's image, we see multiple images of Saturn's moon, Titan. The central image is the normal visible light image showing the haz bin the atmosphere. The others show false-color, infrared images giving us a view of the surface of 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 can access the image and website directly at: Astronomy Picture of the Day. You can use the archive link below the ima...

In today's image, we see the set of galaxies known as Markarian's Chain. This is a group of galaxies that appear in a line - they are part of the Virgo Cluster - a nearby galaxy cluster to our own smaller Local Group of 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: Astronomy Picture of the Day. You can use the archive link below the image to select t...

In today's image, we see a simulation showing what waves would be like on Earth and Titan, taking into account the different conditions on each object. 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 su...

In today's image, we see multiple images of our Moon, the planet Venus, and the Pleiades star cluster taken as the Moon was setting as a thin crescent earlier this month. 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 welc...

In today's image, we see what are known as cometary globules which are sometimes formed as part of the star formation process. 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 pod...

In today's image, we see Comet R3 PanSTARRS hiding among a number of satellite trails in this 10 minute exposure of 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 podca...

In today's image, we see a star forming region in space. This region is slowly being eaten away by the new stars forming within it. 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 thes...

In today's image, we see ,stipple images of our Sun as it sets. The distortion is caused by sunlight passing through distinct layers 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. I welcome comments an...

In today's image, we see a conjunction go the young crescent moon and the Pleiades star cluster. 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: ...

In today's image, we see a map from DESI - Dark Energy Spectroscopic Explorer which observed 47 million galaxies to give us a view of the universe on the largest scales. The idea is to help us better understand the role of dark energy in the expansion of the universe. 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 a...

In today's image, we see a video taken by Artemis II Commander Reid Wiseman, recording video as the Earthiest behind the Moon. The Artemis II spacecraft passed behind the Moon, making Earth appear to set. 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...

In today's image, we see three arches in the sky over the Alps. Two are of our galaxy - one toward the center and another opposite the center. The other is the zodiacal light - dust in our own solar system scattering sunlight. 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 ...

In today's image, we see Comet R3 PanSTARRS over the Himalayan mountains. The comet made its closest approach to the Sun yesterday and is now on its way out of 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. ...

In today's image, we see a lagoon from Chile, imaged to give the appearance of a great eye looking out toward 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 below the image to select the photo corresponding to the date of this podcast. I welcome comments and suggestions about thes...

In today's image, we see comet PanSTARRS as well as the planets Mercury and Mars in the sky. PanSTARRS is nearing its closest approach to our Sun very soon and may brighten enough to be visible without binoculars for viewers in the southern hemisphere in early May. 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...

In today's image, we seethe spiral galaxy known as M82 or the Cigar Galaxy. The red going out perpendicular to the disk of the galaxy is a super wind - caused by many supernovae and stars with strong stellar winds. 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 corres...

In today's image, we see star trails around the South Celestial Pole. Unlike the North Celestial Pole, there is no bright star currently located near the South Celestial 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 corresponding to the date of this podcast. I...

In today's image, we see the International Space Station and our Moon close together in the sky. A transit occurs when one astronomical object passes in front of another which can happen occasionally when the ISS passes in front of the Moon, Sun or other object. 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...

In today's image, we see the long tail of comet R3 (PanSTARRS) as it stretches back across 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 the newly forming star cluster known as NGC 602 in the Small Magellanic Cloud. It is sometimes compared to pearls inside an oyster. 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 a...

In today's image, we see an image taken a couple of days ago of Comet R3 showing a long ion tail. The comet will make its closest approaches to the Sun and Earth over the next couple of weeks and may brighten enough to be visible to the unaided 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 directly at: Astronomy Picture of the Day. You can use the archive link below t...

In today's image, we see the Orion spacecraft known as Intrepid as it flies around the far side of the Moon on April 6, setting the record for the greatest distance from Earth by humans. 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 ...