Shows / The 365 Days of Astronomy
The 365 Days of Astronomy
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.
Episodes
The 365 Days of AstronomyActual Astronomy - Observer's Calendar for January
Hosted by Chris Beckett & Shane Ludtke, two amateur astronomers in Saskatchewan. actualastronomy@gmail.com This month in episode 516 we talk about the many…
The 365 Days of AstronomyHad Astra Historia - The 2026 Doggett Prize, Part 3
Episode 209. Today's guest: Professor Thomas Hockey, with the University of Northern Iowa, is the recipient of HAD's 2026 LeRoy E. Doggett Prize, which is…
The 365 Days of AstronomyHad Astra Historia - The 2026 Doggett Prize, Part 2
Episode 208. Today's guest: Professor Thomas Hockey, with the University of Northern Iowa, is the recipient of HAD's 2026 LeRoy E. Doggett Prize, which is…
The 365 Days of AstronomyAstronomy Cast Ep. 776: The Matter - Antimatter Dichotomy
https://www.youtube.com/watch?v=kGY4t683Xro Hosted by: Fraser Cain ( @frasercain ) and Dr. Pamela L. Gay ( @CosmoQuest ) Streamed live on Dec 22, 2025. Shortly…
The 365 Days of AstronomyTravelers in the Night Eps. 841 & 842: Moon Fragment & Tesla Recovered
Dr. Al Grauer hosts. Dr. Albert D. Grauer ( @Nmcanopus ) is an observational asteroid hunting astronomer. Dr. Grauer retired from the University of Arkansas at…
The 365 Days of AstronomyThe Cosmic Savannah - Ep. 77: Troublesome Inkathazo & the Age of Giants
Hosted by Dr. Jacinta Delhaize, Dr. Tshiamiso Makwela & Dr. Daniel Cunnama. In this "mid-season special" episode, we introduce you to an extraordinary giant…
The 365 Days of AstronomyEVSN - Six-Exoplanet System in Resonance, Challenges Formation Theories
From January 27, 2021. It's a day ending in 'y', and planetary formation theories are once again being challenged. This time the challenge comes from a…
The 365 Days of AstronomySpace Stories - Second Landing
Hosted by Dr. Pamela Gay. A gentle fancy for the Christmas Season—an oft-told tale with a wistful twistful of Something that left the Earth with a wing and a…
The 365 Days of AstronomySpace Stories - Solstice: When the Sun Stands Still
Hosted by our Director, Avivah Yamani! What does "solstice" really mean? In this episode, we unpack the Sun's yearly turning point, the seasonal flip between…
The 365 Days of AstronomyDeep Astronomy - The Largest Galaxy in the Universe: IC 1101
https://www.youtube.com/watch?v=UE8yHySiJ4A Hosted by Tony Darnell. From Sep 21, 2012. This video was done by request from a Space Fan. Hope it's what you had…
The 365 Days of AstronomyAstronomy Cast Ep. 775: The Hydrogen 21-cm Line
https://www.youtube.com/watch?v=2uvcumUc6Gc Hosted by: Fraser Cain ( @frasercain ) and Dr. Pamela L. Gay ( @CosmoQuest ) Streamed live on Dec 15, 2025. Atomic…
The 365 Days of AstronomyTravelers in the Night Eps. 359E & 360E: One in 100,000 & Finding Spacerocks
Dr. Al Grauer hosts. Dr. Albert D. Grauer ( @Nmcanopus ) is an observational asteroid hunting astronomer. Dr. Grauer retired from the University of Arkansas at…
The 365 Days of AstronomyAstroman - Tips for Effective Science Communication
Episode 12. "ASTROMAN: the Dark Sky Guardian" is a podcast channel that aims to explore popular science in multiple disciplines and research on…
The 365 Days of AstronomyEVSN - Asteroid Destruction, Brown Dwarf Formation & Getting Science From Dust
From February 11, 2020. Today's show starts with a mighty YORP. It turns out the YORP effect may spin asteroids to death in dying star systems. We also look at…
The 365 Days of AstronomyActual Astronomy - PiFinder
Hosted by Chris Beckett & Shane Ludtke, two amateur astronomers in Saskatchewan. actualastronomy@gmail.com Today we have a guest joining us, Richard…
The 365 Days of AstronomyUNAWE Space Scoop - What's the Shape of a Supernova?
https://spacescoop.org/en/scoops/2528/whats-the-shape-of-a-supernova/ Rewritten & recorded by your editor, Richard Drumm. When you imagine an explosion in…
The 365 Days of AstronomyAsk A Spaceman - Ep. 262: Does the Universe Have Extra Dimensions?
Large Extra Dimensions! Hosted by Dr. Paul M. Sutter. What do extra dimensions have to do with the strength of gravity? What is a tower of gravitons? How can…
The 365 Days of AstronomyAstronomy Cast Ep. 142: Plate Tectonics
http://www.astronomycast.com/archive/ From June 15, 2009. The surface of the Earth feels solid under your feet, but you're actually standing on a plate of the…
The 365 Days of AstronomyTravelers in the Night Eps. 357E & 358E: 40 Years & Tiny Spacecraft
Dr. Al Grauer hosts. Dr. Albert D. Grauer ( @Nmcanopus ) is an observational asteroid hunting astronomer. Dr. Grauer retired from the University of Arkansas at…
The 365 Days of AstronomyNOIRLab - An Extra Long Gamma Ray Burst
Astronomers have observed the longest-ever gamma-ray burst — a powerful, extragalactic explosion that lasted over seven hours. Rapid follow-up observations…
The 365 Days of AstronomyEVSN - Never Trust a Volcano & Other Geology Tales
From December 3, 2025. The world we live on today has undergone dramatic change since it first formed, and time hasn't necessarily been kind. Earth has gained…
The 365 Days of AstronomyGuide To Space - NASA Wants To Bring A Chunk Of Comet Back To Earth. Collaboration with Everyday Astronaut
https://www.youtube.com/watch?v=CtVKAQMNjY4 Hosted by Fraser Cain & Tim Dodd. From Feb 27, 2018. NASA is going to decide between a comet sample return mission…
The 365 Days of AstronomyCheap Astronomy - Implausible Engineering, Episode 6: Lasting the Distance
Hosted by Steve Nerlich. Immortality is hard work. Episode 6a: Staying Switched On It's difficult to achieve immortality unless you also achieve…
The 365 Days of AstronomyDeep Astronomy - A Glimpse Into The Early Universe Ep. 1
https://www.youtube.com/watch?v=nUyT46ZQYsc Hosted by Tony Darnell. From Feb 6, 2025. JWST Discovers Planet Formation in the Conditions of the Early Universe!…
The 365 Days of AstronomyAstronomy Cast Ep. 774: How Does Bad Science Happen?
https://www.youtube.com/watch?v=l2kddFmnF5o Hosted by: Fraser Cain and Dr. Pamela L. Gay. Streamed live on Nov 8, 2025. Scientific expertise is under attack on…
The 365 Days of AstronomyTravelers in the Night Eps. 355E & 356E: Moon Water & Interplanetary Sand Traps
Dr. Al Grauer hosts. Dr. Albert D. Grauer ( @Nmcanopus ) is an observational asteroid hunting astronomer. Dr. Grauer retired from the University of Arkansas at…
The 365 Days of AstronomyDecember Sky Guide for Equatorial Region
Hosted by our Director, Avivah Yamani. Today we have sky guide for the rest of December 2025, specifically curated for observers in the equatorial region with…
The 365 Days of AstronomyEVSN - Cotton Candy Super Puffs, the Warped Milky Way Galaxy & Conference Chaos
From March 3, 2020. Hosted by Suzie Murph. This week's news is weird. Cotton candy exoplanets called "SuperPuffs" may have rings, the Milky Way Galaxy may have…
The 365 Days of AstronomyActual Astronomy - Observer's Guide - December
Hosted by Chris Beckett & Shane Ludtke, two amateur astronomers in Saskatchewan. actualastronomy@gmail.com - Dec 3-4 – Moon 0.8° N of Pleiades (Occults stars…
The 365 Days of AstronomyAwesome Astronomy - December Part 1: Icy Telescopes & Martian Lightning
Paul Hill and Dr. Jenifer "Dr. Dust" Millard host. Damien Phillips, John Wildridge and Dustin Ruoff produce. This episode it is a new bananza with discussion…
The 365 Days of AstronomyAsk A Spaceman - Ep. 261: What are Black Dwarfs?
What happens to a white dwarf when it cools off? How long does it take? Do they just stay black forever, or will something more interesting happen to them…
The 365 Days of AstronomyAstronomy Cast Ep. 773: What Would You Do With $1 Billion For Astronomy?
https://www.youtube.com/watch?v=MI7BBHAhdSo Hosted by: Fraser Cain and Dr. Pamela L. Gay. Streamed live on Nov 9, 2025. We are powerless fans of space…
The 365 Days of AstronomyTravelers in the Night Eps. 353E & 354E: Peaceful Star & Martian Debris
Dr. Al Grauer hosts. Dr. Albert D. Grauer ( @Nmcanopus ) is an observational asteroid hunting astronomer. Dr. Grauer retired from the University of Arkansas at…
The 365 Days of AstronomyFolklore - Tokuzou's Star: When the Northern Star Moved
Hosted by our Director, Avivah Yamani. In Japanese folklore Tokuzou was a great mariner from Osaka who relied on Polaris (as we europeans call it), the North…
The 365 Days of AstronomyEVSN - Another Potential Dark Matter Particle Isn't Found
From April 21, 2021. Researchers looked for a slowdown in black hole rotational speeds due to the collection of ultralight bosons, but they found nothing…
The 365 Days of AstronomyH'ad Astra Historia - The 2026 Doggett Prize, Part 1
Episode 207. Today's guest: Professor Thomas Hockey, with the University of Northern Iowa, is the recipient of HAD's 2026 LeRoy E. Doggett Prize, which is…
The 365 Days of AstronomyCheap Astronomy - Implausible Engineering: Building A Telescope Big Enough To See Aliens
Hosted by Steve Nerlich. From October 14, 2024. Episode 5 — Too much is never enough. Cheap Astronomy's vision for space exploration: build whopping-big…
The 365 Days of AstronomyDeep Astronomy - The Amazing Orion Nebula As Seen By Hubble & Spitzer Space Telescope
https://www.youtube.com/watch?v=_BOqF2XknOc From Jan 12, 2018. Hosted by Tony Darnell. Like this content? Please consider becoming a patron…
The 365 Days of AstronomyAstronomy Cast Ep. 772: 2025 Gift Guide
https://www.youtube.com/watch?v=panahVzZ6nw Hosted by: Fraser Cain and Dr. Pamela L. Gay. Streamed live on Nov 9, 2025. It's time once again for our annual…
The 365 Days of AstronomyTravelers in the Night Eps. 351E & 352E: Active Asteroid & Flying Mud Balls
Dr. Al Grauer hosts. Dr. Albert D. Grauer ( @Nmcanopus ) is an observational asteroid hunting astronomer. Dr. Grauer retired from the University of Arkansas at…
The 365 Days of AstronomyThe Cosmic Savannah Ep. 76: First Ever Live Show Debut at Astronomy Olympics
Hosted by Dr. Jacinta Delhaize, Dr. Tshiamiso Makwela & Dr. Daniel Cunnama. Watch the whole show on YouTube! [Editor's note: Start at 20:28 where the audio…
The 365 Days of AstronomyEVSN - Active Black Hole's Surge in Brightness Due to Magnetic Flip
From May 10, 2022. A luminous black hole already classified as an active galactic nucleus brightened suddenly in recent ground and space observations, and the…
The 365 Days of AstronomyActual Astronomy - Mark Radice's Recent Astronomy Adventures
Hosted by Chris Beckett & Shane Ludtke, two amateur astronomers in Saskatchewan. actualastronomy@gmail.com Our friend Mark Radice joins us to talk about his…
The 365 Days of AstronomyGuide To Space - What Will It Take To Stay Healthy In Space? Practical Artificial Gravity
https://www.youtube.com/watch?v=SHfUbNRO-3A From Mar 14, 2018. One of the biggest problems of spaceflight is the total lack of gravity. Here are some proposals…
The 365 Days of AstronomyAsk A Spaceman Ep. 260: What's the Big Deal with the Weak Force?
Hosted by Dr. Paul M. Sutter. How did we discover the weak nuclear force? Why is it so strange compared to the other forces? What do mirrors have to do with…
The 365 Days of AstronomyAstronomy Cast Ep. 771: Comet Tails
https://www.youtube.com/watch?v=whMphW1Tb5I Hosted by: Fraser Cain and Dr. Pamela L. Gay Streamed live on Nov 8, 2025. With the arrival of the comet 3I/Atlas…
The 365 Days of AstronomyTravelers in the Night Eps. 349E & 350E: Trappist-1 Planets & Brute
Dr. Al Grauer hosts. Dr. Albert D. Grauer ( @Nmcanopus ) is an observational asteroid hunting astronomer. Dr. Grauer retired from the University of Arkansas at…
The 365 Days of AstronomyASTROMAN - Dark Sky Astrophotography in Dark Sky Regions
Episode 11. "ASTROMAN: the Dark Sky Guardian" is a podcast channel that aims to explore popular science in multiple disciplines and research on…
The 365 Days of AstronomyEVSN - JWST's Picture Album of Baby Stars, Planets, Moons & More
From November 5, 2025. In this episode, we look at some of our latest discoveries about the formation of star systems, including planets and moons, and the…
The 365 Days of AstronomyCosmic Perspective - Veteran of 5 Space Shuttle Missions, Capt. Robert "Hoot" Gibson
Hosted by Andy Poniros. Info: Author, fighter pilot, test pilot, & veteran of 5 Space Shuttle missions, Captain Robert "Hoot" Gibson discusses his books, as…
The 365 Days of AstronomyUNAWE Space Scoop: Lonely Planet — The Hungriest Exoplanet
https://spacescoop.org/en/scoops/2524/lonely-planet-the-hungriest-found-in-space/ Hosted by Richard Drumm, our editor. You've probably heard of exoplanets…
The 365 Days of AstronomyExoplanet Radio - Epsilon Indi Ab: A Twin of Jupiter
Hosted by Tony Darnell. From August 17, 2024. An international team of astronomers has directly imaged this exoplanet, one of the coldest ever seen. The team…
The 365 Days of AstronomyAstronomy Cast Ep. 770: The Ethics of Mars Exploration
https://www.youtube.com/watch?v=14QKJkt3cIE Streamed live on Nov 3, 2025. Hosted by: Fraser Cain and Dr. Pamela L. Gay. It is arguable that humanity now has…
The 365 Days of AstronomyTravelers in the Night Eps. 347E & 348E: Life's Parts & 2 Headed Space Worm
Dr. Al Grauer hosts. Dr. Albert D. Grauer ( @Nmcanopus ) is an observational asteroid hunting astronomer. Dr. Grauer retired from the University of Arkansas at…
The 365 Days of AstronomySpace Stories - Cradles in the Cosmic Mist: Meeting the Nebula
Hosted by Avivah Yamani, our Director. From latin "nebula" to stellar nurseries & ghostly shells, this episode dives into emission, reflection, dark, planetary…
The 365 Days of AstronomyEVSN - Strong Evidence Found That Muons Deviate From Standard Model
From April 14, 2021. Fermilab released the first results of their Muon g-2 experiment this week, and the fundamental particles don't behave as predicted by the…
The 365 Days of AstronomyActual Astronomy - Observer's Calendar For November
Hosted by Chris Beckett & Shane Ludtke, two amateur astronomers in Saskatchewan. actualastronomy@gmail.com Episode 507. 1st - Carbon Star V Air best tonight…
The 365 Days of AstronomyAwesome Astronomy - Comet 3I/ATLAS & Cerne Abbas Star Party
Paul Hill, Ralph Wilkins and Dr. Jenifer "Dr. Dust" Millard host. Damien Phillips, John Wildridge and Dustin Ruoff produce. November Part 1. Time for a Comet…
The 365 Days of AstronomyAsk A Spaceman Ep. 259: Where Exactly is the Edge of the Universe?
Hosted by Dr. Paul M. Sutter. Is the Universe infinite? What about the cosmological horizons, the limits to what we can see? Will we ever know for sure what's…
The 365 Days of AstronomyAstronomy Cast Ep. 34: Discovering Another Earth
http://www.astronomycast.com/archive/ From April 29, 2007. What a week! Astronomers announced the discovery of an Earth-sized planet orbiting the nearby star…