Advertise on podcast: NASA’s Astronomy Picture of the Day

NGC 4449 is a small, irregular galaxy alive with star formation. Its missing oxygen helps astronomers investigate how dwarf galaxies distribute elements made by stars into their surroundings. 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 this podcast. I welcome comments and suggestions about these podcasts. I can be reached here: [email protected] This work is licensed under a Creative Commons Attribution 4.0 International License.

Saturn appears just above the lunar limb in a composite of three images from an occultation. The view shows how orbital motion and our location on Earth determine whether the Moon hides a distant planet. 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 this podcast. I welcome comments and suggestions about these podcasts. I can be reached here: [email protected] This work is licensed under a Creative Commons Attribution 4.0 International License.

Rigel illuminates the blue Witch Head Nebula amid surrounding red nebulosity. This view connects reflected starlight, glowing hydrogen, and the ways stars reshape the clouds in which new stars form. 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 this podcast. I welcome comments and suggestions about these podcasts. I can be reached here: [email protected] This work is licensed under a Creative Commons Attribution 4.0 International License.

A fireball photographed over Italy's Dolomites on November 14, 2017, provides a striking introduction to exceptionally bright meteors. Its reported connection to the Northern Taurids brings this older image into the context of November's recurring meteor activity. 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 this podcast. I welcome comments and suggestions about these podcasts. I can be reached here: [email protected] This work is licensed under a Creative Commons Attribution 4.0 International License.

A favorable lunar libration reveals mountains near the Moon's south pole. Nearby sunlit high ground and permanently shadowed cold traps help explain the region's importance for water-ice research and future human exploration. 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 this podcast. I welcome comments and suggestions about these podcasts. I can be reached here: [email protected] This work is licensed under a Creative Commons Attribution 4.0 International License.

This portrait of Swift is built from the astronomical images it collected. We look back at its rapid response to cosmic explosions, how solar activity accelerated its orbital decay, and the scientific archive that outlives the spacecraft. 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 this podcast. I welcome comments and suggestions about these podcasts. I can be reached here: [email protected] This work is licensed under a Creative Commons Attribution 4.0 International License.

Cassini's backlit view reveals icy plumes escaping from Enceladus. These jets replenish Saturn's E ring and offer clues to a hidden ocean that makes this small moon a compelling target in the search for habitable environments. 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 this podcast. I welcome comments and suggestions about these podcasts. I can be reached here: [email protected] This work is licensed under a Creative Commons Attribution 4.0 International License.

IC 342 is called the Hidden Galaxy because Milky Way dust and foreground stars complicate our view. This detailed portrait reveals its spiral arms and star-forming regions while showing why foreground material matters when interpreting distant 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 above 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: [email protected] This work is licensed under a Creative Commons Attribution 4.0 International License.

Comet Pan-STARRS shares the sky with a colorful meteor in this photograph from France. Their chance alignment introduces comet tails, glowing meteors, and the comet debris behind November's meteor showers. 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 this podcast. I welcome comments and suggestions about these podcasts. I can be reached here: [email protected] This work is licensed under a Creative Commons Attribution 4.0 International License.

A vast water-ice cloud stretches downwind of the Martian volcano Arsia Mons. Its seasonal morning cycle—and a proposed way for ice to form without dust seeds—offers a striking test of cloud physics on another 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 this podcast. I welcome comments and suggestions about these podcasts. I can be reached here: [email protected] This work is licensed under a Creative Commons Attribution 4.0 International License.

A spiral of full-moon photographs shows how differently our familiar Moon can appear. Earth's atmosphere changes the colors we see, from warm horizon views to the red glow of a lunar eclipse. 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 this podcast. I welcome comments and suggestions about these podcasts. I can be reached here: [email protected] This work is licensed under a Creative Commons Attribution 4.0 International License.

Ghostly geothermal plumes rise beneath green auroras in Iceland. This Halloween scene reveals two energy sources at work: Earth’s internal heat and solar energy interacting with its magnetic environment. 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 this podcast. I welcome comments and suggestions about these podcasts. I can be reached here: [email protected] This work is licensed under a Creative Commons Attribution 4.0 International License.

The Iris and Ghost Nebulae stand out among dusty clouds in Cepheus. Explore how microscopic interstellar grains scatter and obscure starlight—and how these clouds can nurture new 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 above 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: [email protected] This work is licensed under a Creative Commons Attribution 4.0 International License.

Venus can show a thin crescent much like the Moon. Its unusually long horns reveal how sunlight interacts with the planet’s thick atmosphere near an alignment with Earth and 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 above 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: [email protected] This work is licensed under a Creative Commons Attribution 4.0 International License.

Watch Jupiter’s moons Ganymede and Io appear to meet as one passes in front of the other. Their alignment and Ganymede’s shadow on Jupiter show two different ways that orbiting bodies can line up. 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 this podcast. I welcome comments and suggestions about these podcasts. I can be reached here: [email protected] This work is licensed under a Creative Commons Attribution 4.0 International License.