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PODCAST

The 365 Days of Astronomy

365DaysOfAstronomy.org

The 365 Days of Astronomy podcast launched in 2009 as part of the International Year of Astronomy. This community podcast continues to bring you day after day of content across the years. Everyday, a new voice, helping you see the universe we share in a new way. This show is managed by Avivah Yamani, edited by Richard Drumm. This podcast is funded through Patreon.com/CosmoQuestX and produced out of the Planetary Science Institute.

science astronomy

All Episodes

06:05

Travelers in the Night Eps. 855 & 856: Planetary...

The 365 Days of Astronomy ·

2026/02/15

Dr. Al Grauer hosts. Dr. Albert D. Grauer ( @Nmcanopus ) is an observational asteroid hunting astronomer. Dr. Grauer retired from the University of Arkansas at Little Rock in 2006. travelersinthenight.org From June & July 2025. Today's 2 topics: - In 2016 NASA created the Planetary Defense Coordination Office to manage the mission of finding, tracking, and studying asteroids and comets which could pose an impact threat to our home planet.The NASA documentary "Planetary Defenders" provides an

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15:40

NOIRLab - Mysterious Metallic Cloud Discovered...

The 365 Days of Astronomy ·

2026/02/14

Sweeping winds of vaporized metals have been found in a massive cloud that dimmed the light of a star for nearly nine months. This discovery, made with the Gemini South telescope in Chile offers a rare glimpse into the chaotic and dynamic processes still shaping planetary systems long after their formation. In this podcast, Dr. Nadia Zakamska describes the discovery of this object, stemming from a mysterious dimming of a star, to the analysis of the gas cloud. Bios: - Rob Sparks is in the

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09:15

EVSN - Galaxy Mergers Trigger Black Hole Growth

The 365 Days of Astronomy ·

2026/02/13

From May 21, 2020. Join us today as we discuss the impressive work by an undergraduate student who figured out how galaxy mergers influence the growth of supermassive black holes. We talk about a gigantic galaxy found in the early universe. And finally, we look at amazing images of a planet being formed around a distant star. We've added a new way to donate to 365 Days of Astronomy to support editing, hosting, and production costs. Just visit: https://www.patreon.com/365DaysOfAstronomy and donate

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11:48

Guide To Space - What Did Cassini Teach Us?...

The 365 Days of Astronomy ·

2026/02/12

https://www.youtube.com/watch?v=-Alz4UXGqLk From March 8, 2017. In just a few months, NASA's Cassini spacecraft is going to die, crashing into the planet Saturn. Let's look back across the mission's history. What were the highlights? What did we learn? Team: Fraser Cain - @fcain / frasercain@gmail.com Karla Thompson - @karlaii Chad Weber - weber.chad@gmail.com Ask me my favorite object in the Solar System, especially to see through a telescope, and my answer is always the same: Saturn. Saturn is

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15:09

Cheap Astronomy - Dear CA Ep. 129: More Rocks

The 365 Days of Astronomy ·

2026/02/11

A podcast about rocks, big and small. Dear Cheap Astronomy – What's Psyche really like? Psyche is an asteroid in the asteroid belt and apparently a very metal rich one, which makes it a prospecting target for budding asteroid miners. Pysche is also a spacecraft, launched on October 13, 2023. We're recording this episode about one month after launch when it's already over 15 million km from Earth – and its destination? Yep, Psyche – the asteroid. Dear Cheap Astronomy – How is Mars Sample Return

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08:42

Deep Astronomy - Discoveries of Webb Space Telescope...

The 365 Days of Astronomy ·

2026/02/10

https://www.youtube.com/watch?v=d7FAg_AYXaw From April 14, 2025. Astronomers using the JWST have made direct observations of the black hole at the center of our galaxy: Sagittarius A*. These observations are possible because the Webb Space Telescope can peer through the dust at the center of our galaxy using infrared light. These observations surprised astronomers. We've added a new way to donate to 365 Days of Astronomy to support editing, hosting, and production costs. Just visit:

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32:17

Astronomy Cast Ep. 781: Awakening Black Holes

The 365 Days of Astronomy ·

2026/02/09

https://www.youtube.com/watch?v=PpZRjII8qkc Hosted by: Fraser Cain (@frasercain) and Dr. Pamela L. Gay (@CosmoQuest) Streamed live on Feb 2, 2026. One long standing mystery in astronomy were the quasars. Incomprehensible energy blasting out of a point-like source, billions of light years away. We now know these are actively feeding supermassive black holes, which can turn off and on in a startlingly short period of time. Today: When black holes awaken! Our Universe is filled with sleeping monsters

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06:05

Travelers in the Night Eps. 853 & 854: Tardigrade &...

The 365 Days of Astronomy ·

2026/02/08

Dr. Al Grauer hosts. Dr. Albert D. Grauer ( @Nmcanopus ) is an observational asteroid hunting astronomer. Dr. Grauer retired from the University of Arkansas at Little Rock in 2006. travelersinthenight.org From June, 2025. Today's 2 topics: - In the search for life on Mars, Europa, Titan, and elsewhere in the universe astro-biologists are scouring the Earth for creatures tough enough to flourish under really difficult conditions. So far the leading species are the Tardigrades commonly known as water

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06:42

Equatorial Sky Guide For February

The 365 Days of Astronomy ·

2026/02/07

Hosted by Avivah Yamani, our Director. February 2026 is packed for stargazers at the equator, with a dusk-time planet parade, dark New Moon skies for astrophotography, and the year's first "Ring of Fire" annular solar eclipse on February 17 (visible from Antarctica). Catch beautiful Moon pairings with Antares, Saturn, the Pleiades, and Jupiter, and join the Globe at Night campaign to help measure light pollution in your area. We've added a new way to donate to 365 Days of Astronomy to support

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31:38

EVSN - JWST Makes Sense of the Early Universe

The 365 Days of Astronomy ·

2026/02/06

From January 28, 2026. In this episode we look at highlights from the latest American Astronomical Society Meeting. An accidental theme came out: with each new telescope and each improved instrument we can look more closely at our Universe - we can and do learn more and understand more even about the things we thought we knew best. In this episode, Rubin Observatory brings rapidly rotating asteroids, and JWST peers at objects thriving in the first 2 billion years of our universe. Observatory after

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42:35

Actual Astronomy - February Observer's Calendar

The 365 Days of Astronomy ·

2026/02/05

Hosted by Chris Beckett & Shane Ludtke, two amateur astronomers in Saskatchewan. actualastronomy@gmail.com This month we talk about the Moon occulting Regulus, Saturn and Neptune pairing up while Mercury is visible in the evening sky and occulted by the Moon for some. The Zodiacal light also becomes visible in February and we give you the details on seeing lunar features and some of the best Deep Sky objects plus the Carbon and Double Stars to see at this month. Feb 1 - Full Moon - 26 Aur

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01:16:07

Awesome Astronomy - The End of British Astronomy?

The 365 Days of Astronomy ·

2026/02/04

Paul Hill and Dr. Jenifer "Dr. Dust" Millard host. Damien Phillips, John Wildridge and Dustin Ruoff produce. We discuss the British Government's vandalism of UK physics and astronomy. In better news we celebrate the refunding of NASA and the up coming Artemis II mission… will Paul finally get excited? We've added a new way to donate to 365 Days of Astronomy to support editing, hosting, and production costs. Just visit: https://www.patreon.com/365DaysOfAstronomy and donate as much as you can

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29:30

Ask A Spaceman Ep. 265: Does Antimatter Fall Up?

The 365 Days of Astronomy ·

2026/02/03

Hosted by Dr. Paul M. Sutter. What is the weak equivalency principle? How was antimatter discovered and why is it the perfect thing to put gravity to the test? What did the CERN experiment discover? I discuss these questions and more in today's Ask a Spaceman! Support the show: http://www.patreon.com/pmsutter All episodes: http://www.AskASpaceman.com Watch on YouTube: http://www.youtube.com/PaulMSutter Read a book: https://www.pmsutter.com/books Keep those questions about space, science,

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33:30

Astronomy Cast Ep. 780: When Asteroids & Comets Attack!

The 365 Days of Astronomy ·

2026/02/02

https://www.youtube.com/watch?v=sIVunut4Dgk Hosted by: Fraser Cain (@frasercain ) and Dr. Pamela L. Gay (@CosmoQuest ) Streamed live on Jan 26, 2026. We live in a cosmic shooting gallery. It's not a matter of "if" but "when"! Dinosaurs, blah, blah, blah. You know the drill. But seriously, folks, it's raining rocks & ice out there! How seriously should we take it? What happens when a variety of different objects hit the Earth? Different kinds of objects affect Earth very differently when they impact

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06:05

Travelers in the Night Eps. 851 & 852: Scientists...

The 365 Days of Astronomy ·

2026/02/01

Dr. Al Grauer hosts. Dr. Albert D. Grauer ( @Nmcanopus ) is an observational asteroid hunting astronomer. Dr. Grauer retired from the University of Arkansas at Little Rock in 2006. travelersinthenight.org From May & June, 2025. Today's 2 topics: - In a recent paper published in Nature Astronomy entitled "Surveys of the scientific community on the existence of extraterrestrial life" Dr. Peter Vickers and his team of 10 co-authors report the results of their survey of the lead authors for the past 10

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08:21

Space Stories - Perihelion & Aphelion

The 365 Days of Astronomy ·

2026/01/31

Hosted by our Director, Avivah Yamani. Earth swings closest to the Sun at perihelion and farthest at aphelion, words that apply to every planet orbiting the Sun. Learn how Kepler's laws reveal an elliptical orbit, why Earth moves faster at perihelion, and why seasons come from Earth's tilt, not distance. We've added a new way to donate to 365 Days of Astronomy to support editing, hosting, and production costs. Just visit: https://www.patreon.com/365DaysOfAstronomy and donate as much as you can

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20:35

EVSN - Mystery of Mars' Recurring Slope Lineae...

The 365 Days of Astronomy ·

2026/01/30

From February 8, 2021. A new theory has been proposed that could answer the question of what causes recurring landslides on Mars: small-scale ice melting just below the surface may leave the regolith vulnerable to wind. Plus, a look at some of Earth's ancient climate changes, a gamma-ray source, puffy galaxies, and this week's What's Up. We've added a new way to donate to 365 Days of Astronomy to support editing, hosting, and production costs. Just visit:

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11:00

Guide to Space - Thanks To Gaia We Now Know Exactly...

The 365 Days of Astronomy ·

2026/01/29

https://www.youtube.com/watch?v=lxgdcG_NQyA Hosted by Fraser Cain. And a happy robin. From May 3, 2018. The European Space Agency just dropped an enormous amount of data onto the scientific community. The location and position of 1.7 billion stars in the Milky Way. We've added a new way to donate to 365 Days of Astronomy to support editing, hosting, and production costs. Just visit: https://www.patreon.com/365DaysOfAstronomy and donate as much as you can! Share the podcast with your friends and

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57:07

Awesome Astronomy - 3 Days to Lose LEO

The 365 Days of Astronomy ·

2026/01/28

Paul Hill and Dr. Jenifer "Dr. Dust" Millard host. Damien Phillips, John Wildridge and Dustin Ruoff produce. So it looks like Low Earth Orbit is not just crowded but a disaster waiting to happen trapping humanity on this planet for a very long time… https://www.esa.int/Space_Safety/Space_Debris/Space_debris_by_the_numbers https://arxiv.org/abs/2512.09643 We've added a new way to donate to 365 Days of Astronomy to support editing, hosting, and production costs. Just visit:

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14:33

Cheap Astronomy - Dear CA #128: Persistent Claims

The 365 Days of Astronomy ·

2026/01/27

Still looking. Hosted by Steve Nerlich. Dear Cheap Astronomy – Is there anything new on Planet 9? Well, not really and there is some growing skepticism about whether it's really there. Nonetheless, its original proponents, Mike Brown and Konstantin Batygin, still stick to their guns on the matter, though both agree Planet 9's existence must be considered speculative until it is actually observed. Dear Cheap Astronomy – Is Nemesis really out there? Continuing the theme of hypothetical solar system

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