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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

55:03

Awesome Astronomy - Panto 2025: Cometh the Comet,...

The 365 Days of Astronomy ·

2026/01/21

Paul Hill, Ralph Wilkins and Dr. Jenifer "Dr. Dust" Millard host. Damien Phillips, John Wildridge and Dustin Ruoff produce. It's time for our annual review of the year, a look forward to next year and of course the Panto!…and the return of an old face! 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 send the

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31:26

Ask A Spaceman Ep. 264: Just How Weird is the Quantum...

The 365 Days of Astronomy ·

2026/01/20

Hosted by Dr. Paul M. Sutter. How does the double-slit experiment work? What does it teach us about reality and measurement if we try to mess with the experiment after it's already started? How does quantum complementarity guide us with how to think about it? 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:

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31:06

Astronomy Cast Ep. 779: Milankovitch Cycles

The 365 Days of Astronomy ·

2026/01/19

https://www.youtube.com/watch?v=rTFbrCIkrfU Streamed live on Jan 12, 2026. Hosted by: Fraser Cain (@frasercain ) and Dr. Pamela L. Gay (@CosmoQuest ) Humans live short lives, and from our perspective the seasons are something that come and go with perfect regularity. But astronomers know the terrible truth! And that there are cycles that slowly shift over tens of thousands of years, shifting the cycles and the Earth's climate. Today we'll talk about the Milankovich Cycles! The Earth's orbit, tilt,

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06:05

Travelers in the Night Eps. 847 & 848: Ultra Distant...

The 365 Days of Astronomy ·

2026/01/18

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 2025. Today's 2 topics: - My Catalina Sky Survey teammate Hannes Gröller was asteroid hunting in the constellation of Ursa Major with the University of Arizona 90 inch Bok telescope on Kitt Peak when he discovered a faint moving object surrounded by a tiny gas and dust cloud called a coma

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07:09

ASTROMAN - Lunar Eclipse

The 365 Days of Astronomy ·

2026/01/17

Dive into the wonders of the lunar eclipse! ASTROMAN breaks down the 2026 total "Blood Moon" in Asia, offering tips for skywatchers and the science behind the shadow. "ASTROMAN: the Dark Sky Guardian" is a podcast channel that aims to explore popular science in multiple disciplines and research on interdisciplinary approaches, such as sustainability, dark-sky protection, astrophotography, space exploration, astronomy innovation, inclusive science communication, and STEAM Education by integrating

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32:54

EVSN - Astronomy Answers: What's That Light?

The 365 Days of Astronomy ·

2026/01/16

From January 7, 2026. In this episode, we're pleased to say we get to focus on science, as we bring you hot Jupiters, a tear-drop shaped Jupiter massed… something…? - and news of objects getting torn apart and other objects getting merged together as our universe lights up our night. 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

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54:34

Actual Astronomy - OzSky With Clint Reading

The 365 Days of Astronomy ·

2026/01/15

Hosted by Chris Beckett & Shane Ludtke, two amateur astronomers in Saskatchewan. actualastronomy@gmail.com In this podcast (Episode 519) we talk with a special guest & long-time listener Clint Reading (from Nebraska, formerly from Idaho) about his astro-tourism trips to OzSky which is a biannual event for amateur astronomers from the northern hemisphere to have the opportunity to see the southern skies. We learn how to prepare for an astronomy trip to Australia, what to bring to get the most out of

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15:16

Cheap Astronomy - Dear CA Ep. 127: Mystery Physics

The 365 Days of Astronomy ·

2026/01/14

Hosted by Steve Nerlich. Well… Cheap Astronomy confirms some mysteries are still mysteries! Dear Cheap Astronomy – Is warp drive looking any more possible? Well, no, insofar as it looks about as possible as it ever did, which is to say, it's probably impossible, but at the same time, it's best to never say never. As we've covered before, the nature of space-time precludes the possibility of faster than light travel simply because light travels as fast as it is possible to travel in space-time.

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07:34

Deep Astronomy - Discoveries of the Webb Space...

The 365 Days of Astronomy ·

2026/01/13

https://www.youtube.com/watch?v=WvdZpZuz-WQ Hosted by Tony Darnell. From Feb 13, 2025. The deep fields taken by the Hubble Space Telescope are now legendary. Astronomers used the most complicate and expensive instrument ever put into space to stare at nothing, a very risky move, but one that paid off. What happened when we did the same thing with the James Webb Space Telescope? We've added a new way to donate to 365 Days of Astronomy to support editing, hosting, and production costs. Just

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36:49

Astronomy Cast Ep. 778: Dyson Swarms

The 365 Days of Astronomy ·

2026/01/12

https://www.youtube.com/watch?v=cySk8O0iVjU Hosted by: Fraser Cain (@frasercain ) and Dr. Pamela L. Gay (@CosmoQuest ) Streamed live on Jan 5, 2026. Freeman Dyson asked a fascinating question. What would it look like if a civilization was using all the energy coming from their star? And what form would this take? This introduced the concept of a Dyson Sphere, or more realistically, a Dyson Swarm surrounding a star. But if you're skeptical about the concept, you're in good company. This show is

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06:05

Travelers in the Night Eps. 845 & 846: Mighty Schmidt...

The 365 Days of Astronomy ·

2026/01/11

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 April 2025. Today's 2 topics: - On a single February night my Catalina Sky Survey teammate Jacqui Fazekas reported the discovery of 5 Earth approaching objects using our small but mighty Schmidt telescope on Mt. Bigelow, Arizona.Rest assured that on any given night there are asteroid hunters

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13:08

NOIR Lab - Fast Spinning Asteroids From the Rubin...

The 365 Days of Astronomy ·

2026/01/10

As part of the NSF–DOE Vera C. Rubin Observatory First Look event in June 2025, Rubin announced that it had observed thousands of asteroids cruising about our Solar System, about 1,900 of which have been confirmed as never-before-seen. Within the flurry, a team of astronomers has discovered 19 super- and ultra-fast-rotating asteroids. One of these is the fastest-spinning asteroid larger than 500 meters (0.3 miles) ever found. In this podcast, Dr. Sarah Greenstreet discusses these fast spinning

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29:36

EVSN - When Science Results Rhyme: Exoplanets,...

The 365 Days of Astronomy ·

2026/01/09

From December 25, 2025. In this week's episode, we look at planets younger than fossils, celebrate relativity repeatedly working as expected, and peer at previously only theorized 1st generation stars using JWST. We celebrate the completion of the construction of the Nancy Grace Roman Space Telescope, and look in on all the recent launches. All this and more is coming to you right here, and right now! We've added a new way to donate to 365 Days of Astronomy to support editing, hosting, and

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06:20

January Sky Guide for Equatorial Region

The 365 Days of Astronomy ·

2026/01/08

Hosted by Avivah Yamani. January 2026 is a packed month for equatorial skywatchers! Catch the Quadrantid meteor shower peak on the new year and Jupiter steals the spotlight at opposition. 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 send the Patreon link to them too! Every bit helps! Thank you

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49:54

Awesome Astronomy - Soundgarden Wins at Astrophysics

The 365 Days of Astronomy ·

2026/01/07

Paul Hill and Dr. Jenifer "Dr. Dust" Millard host. Damien Phillips, John Wildridge and Dustin Ruoff produce. So it turns out Soundgarden nailed astrophysics in 1994. We explore latest thinking on Little Red Dots, Globular Custers, oldest supernovae, No-ceans on Titan as well as our monthly skyguide and moon guide. 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

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32:08

Ask A Spaceman - Ep. 263: Does Free Will Exist?

The 365 Days of Astronomy ·

2026/01/06

What is causal determinism? What are some of the ways that physics can permit free will? What does emergence have to do with all of this? 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, astronomy, astrophysics, physics, and cosmology coming to

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36:10

Astronomy Cast Ep. 777: The Eddington Limit

The 365 Days of Astronomy ·

2026/01/05

https://www.youtube.com/watch?v=uijiic8crBQ Hosted by: Fraser Cain (@frasercain ) and Dr. Pamela L. Gay (@CosmoQuest ) Streamed live on Dec 29, 2025. How big can a star get? This is a calculation made by one of the original pioneers of modern astronomy, Sir Arthur Eddington. And it's named after him, the Eddington Limit. Now, astronomers are finding examples of giant black holes early in the Universe, calling into question some of Eddington's assumptions. Let's explore this fascinating concept! Why

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06:05

Travelers in the Night Eps. 843 & 844: Possible...

The 365 Days of Astronomy ·

2026/01/04

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 April 2025. Today's 2 topics: - On 27 December 2024 the Atlas group in Chile discovered an object now known as 2024 YR4 which appeared to have a significant chance of impacting Earth 22 December of 2032. The most recent data indicates the chance that 2024 YR4 impact Earth is about 1 in

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54:28

Awesome Astronomy - December Part 2 Yeeting Your...

The 365 Days of Astronomy ·

2026/01/03

Paul Hill & Dr. Jenifer "Dr. Dust" Millard host. Damien Phillips, John Wildridge and Dustin Ruoff produce. In this chatty news episode 164 we chat about more Artemis mission shenanigans and how the Russians have wrecked their only human rated launch pad. 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 send the

en

10:53

EVSN - Double Dose of Planetary Pandemonium

The 365 Days of Astronomy ·

2026/01/02

From October 9, 2020. Join us as we take a look back to two weeks' worth of planetary stories, including solar system research on a binary trans-Neptunian object, diamonds in meteorites, the stratification of Titan's lakes, and how Jupiter affected Venus' habitability. Plus we go farther into space and see how super flares affect the chances for life on exoplanets and find an exoplanet with vaporized metal in its atmosphere. We've added a new way to donate to 365 Days of Astronomy to support

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