Episodes

The Eagle Nebula's Pillars of Creation become an audible experience as telescope image data are translated into sound. Listen to a complete sonification, then explore how the mapping makes astronomical structures accessible in another 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 above the image t...

Rosetta's close-up view of Comet 67P reveals a rugged nucleus releasing jets of material near the Sun. Following the comet over time showed scientists how its landscape changes and what its escaping gas and dust contain. 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 above the image to select the photo ...

A predawn Falcon 9 launch shares the sky with the International Space Station as a sunlit exhaust plume expands overhead. This timelapse shows the contrast between a cargo spacecraft heading toward orbit and a reusable booster returning to 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 above the ...

A near-infrared camera reveals the Milky Way above Manhattan's bright skyline. By rejecting much of the city's visible-light glow while retaining infrared starlight, the photograph shows how wavelength selection can improve astronomical contrast. 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 above the ...

Mars appears among the stars of the Beehive Cluster beneath a colorful aurora. The scene combines a temporary planetary alignment with green and red light emitted high in 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 above the image to select the photo corresponding to the date of t...

A desert stairway appears to rise into the Milky Way, surrounded by zodiacal light and colorful airglow. This scene brings together starlight from our galaxy, sunlight scattered by Solar System dust, and light emitted by 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 above the image ...

Earth's crescent Moon shares this view with Jupiter and its four large Galilean moons. Their apparent alignment and the Moon's faint earthshine reveal how distance, perspective, and reflected sunlight shape the scene. 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 above the image to select the photo cor...

A deep hole in Antarctic ice is part of IceCube’s unusual way of studying the universe. Buried sensors detect faint light from particles produced in rare neutrino interactions, giving astronomers another cosmic messenger. 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 above the image to select the photo...

The Moon’s farside is a heavily cratered landscape with far fewer dark lava plains than the side we see from Earth. This spacecraft mosaic reveals a contrasting surface history, while tidal locking explains why we normally see only the other face. 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 above the...

Stickney Crater dominates this close-up of Phobos, one of Mars’s small moons. Its enormous impact scar and streaked walls reveal how collisions and even very weak gravity reshape a tiny world. 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 above the image to select the photo corresponding to the date of...

In today’s image, Saturn’s atmospheric bands, intricate rings, and several moons appear in a remarkable ground-based photograph. Steady air and lucky imaging help reveal details that Earth’s atmosphere would otherwise blur. 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 supernova remnant Pa 30 which resembles a cosmic firework, but it is likely the remnant of a supernova observed in 1181. Its surviving central star and newly revealed chains of gas knots offer clues to an unusual, incomplete stellar explosion. 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 seeIn today's video, we see a remarkable view of Earth's complete auroral oval captured in ultraviolet light by the SMILE spacecraft. This time-lapse reveals the changing structure of the aurora and helps scientists investigate how the solar wind interacts with Earth's magnetic field. 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...

In today's image, we see an unusually deep view of M104, the Sombrero Galaxy, revealing faint stellar streams and an extensive halo surrounding its familiar bright disk. These structures offer clues to the galaxy's history of gravitational interactions and mergers. 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 see a remarkable display of supernumerary rainbows photographed over New Jersey. The additional colored bands inside the main rainbow are produced by interference, revealing the wave nature of 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: Astronomy Picture of the Day. You can use the archive link below the image to select the photo ...

In today's image, we see a remarkable selfie taken by NASA's Curiosity rover while exploring Vera Rubin Ridge on Mars. The image combines dozens of photographs into a panoramic view of the rover and the rugged Martian landscape. 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 th...

In today's image, we see a complete collection of the Sharpless Catalog - all 313 nebulae images over about three and a half years by one photographer. 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 the Harvest Moon rising over Sicily near an erupting Mount Etna. The composite captures the Moon’s changing position during twilight while volcanic ash, clouds, and atmospheric color transform the landscape below. 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...

In today’s image, we see an example of a peculiar galaxy — one whose shape has been distorted by tidal interactions with a nearby 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 abou...

In today's image, we see the planetary nebula known as the Shrimp Nebula. This is the type of nebula which forms at the end of the life of a star like our Sun. In this case, the entire nebula is moving rapidly to the upper left. 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 th...

In today's image, we see what the average color of the universe would be if one averaged the spectra of hundreds of thousands 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 the photo corresponding to the date of this podcast. I welcome comments and suggestions abo...

In today's image, we see an image of the Andromeda Galaxy consisting of hundreds of five minute exposures stacked together. The first image shows the raw image with satellite trails, airplanes, cosmic rays, and bad pixels. The second image shows the cleaned up version after processing. 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....

In today's image, we see on o the Perseus meteors from last month reflected off several of the panels in one of the telescopes of the Cherenkov Telescope Array Observatory. 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 we...

In today's image, we see the globular star cluster Omega Centauri. This may actually be the remnant core of a small galaxy that has been disrupted by the 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 the photo corresponding to the date of this podcast. I welcome co...