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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

50:31

EVSN - After Hours: Launching The Small(er) Things...

The 365 Days of Astronomy ·

2026/05/01

From April 30, 2026. As commercial space becomes a more and more mature industry, we're seeing new needs emerge. Front and the center is the need for someone - or some company - to make it easy for folks in need of a launch to find the right ride share for their satellite, no matter how small. Enter ExoLaunch. In this episode we talk with ExoLaunch CEO Robert Sproles about what their company is accomplishing as the shipping company to the stars (or at least Earth Orbit). We've added a new way to

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07:49

Guide To Space - First Ever Picture of a Baby Planet!

The 365 Days of Astronomy ·

2026/04/30

https://www.youtube.com/watch?v=Xryd9cC8ZWU Hosted by Fraser Cain. From Jul 4, 2018. For the first time ever, astronomers have captured a direct image of a newly forming planet orbiting around a newly forming star. It's a stunning photograph, not only for the science and what was observed, but what it means the future of exoplanetary astronomy. 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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41:45

Awesome Astronomy - Artemis Chat

The 365 Days of Astronomy ·

2026/04/29

April Part II. Paul Hill & Dr. Jenifer "Dr. Dust" Millard host. Damien Phillips, John Wildridge and Dustin Ruoff produce. This month what else can we chat about? Paul and Jeni talk Artemis II. In this chatty news episode we chat about more Artemis mission shenanigans. 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

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15:26

Cheap Astronomy - Dear CA #134: Testing Asumptions

The 365 Days of Astronomy ·

2026/04/28

Taking nothing for granted. Hosted by Steve Nerlich. Dear Cheap Astronomy – Is space really empty? Well, the universe is filled with stars, planets and galaxies, but sure all the big gaps between those things are mostly empty. Although, let's not forget dark matter. It's likely to have a wider and denser distribution than visible matter, since we think there's four times more of it than there is of light matter - but all we can really say is 'we think' since we can't see dark matter and we don't

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33:51

Astronomy Cast Ep. 791: Chang'e Sample Return

The 365 Days of Astronomy ·

2026/04/27

https://www.youtube.com/watch?v=Wa1p6AOfQBc Hosted by: Fraser Cain (@frasercain) and Dr. Pamela L. Gay (@CosmoQuest) Streamed live on Apr 20, 2026. Last week we talked about samples from other worlds delivered to Earth by meteorites. But sometimes you've gotta do the job yourself. Visit the far off place and bring the samples home. And today we're gonna talk about China's Chang'e sample return program. How they've delivered rocks from different parts of the Moon, and how this sets the stage for

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06:05

Travelers in the Night Eps. 875 & 876: Newly...

The 365 Days of Astronomy ·

2026/04/26

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 November 2025. Today's 2 topics: - Dr. Uisdean Nicholson from Heriot-Watt University and his team of 9 co-authors analyze 3D seismic imaging and drill cuttings from a 1980s oil well to make a convincing case that the Silverpit crater was produced by a the impact of a 1.5 football field

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42:59

The Cosmic Savannah - Ep. 81: One Last Burst: Gamma...

The 365 Days of Astronomy ·

2026/04/25

Hosted by Dr. Jacinta Delhaize, Dr. Tshiamiso Makwela, Dr. Daniel Cunnama & François Campher In this episode, Jacinta chats with Dr. Simon de Wet about the discoveries he made during his Master's and PhD theses regarding mysterious gamma ray bursts (GRBs). Meanwhile, the team takes a trip back to the Pendulum Room for a final farewell to the old studio. Gamma Ray Bursts are some of the brightest bursts of high energy light in space, usually originating from the collapse of a massive star or two

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29:25

EVSN - To Artemis, With Love

The 365 Days of Astronomy ·

2026/04/24

From April 22, 2026. Season 4, episode 15. This is EVSN's love letter to the Artemis II mission. 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! ------------------------------------ Do go visit http://www.redbubble.com/people/CosmoQuestX/shop for cool

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07:34

Space Stories - Astronomy Words: The Constellations

The 365 Days of Astronomy ·

2026/04/22

Hosted by Avivah Yamani, our Director. What are constellations? Explore their history, science, and cultural meanings across civilizations, including how we see them from Indonesia. 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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30:51

Ask A Spaceman - Ep. 270: Is the Universe…Defective?

The 365 Days of Astronomy ·

2026/04/21

Hosted by Dr. Paul M. Sutter. What did the Universe do to make so many defects? What happens when they get trapped? And could they be hiding right in front of our noses? 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,

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34:13

Astronomy Cast Ep. 790: Meteorites From Other Worlds

The 365 Days of Astronomy ·

2026/04/20

https://www.youtube.com/watch?v=WGx1NvLO8FA Hosted by: Fraser Cain ( @frasercain ) and Dr. Pamela L. Gay ( @CosmoQuest ) Streamed live April 17, 2026. Even though humanity has returned samples from a fraction of the worlds in the solar system, the cosmos has delivered many more without us having to lift a finger. Meteorites. We have meteorites from the Moon, Vesta and even Mars! What have we learned about these rocks from other worlds? Space missions to other worlds cost millions to billions of

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06:05

Travelers in the Night Eps. 373 & 374: Tracking...

The 365 Days of Astronomy ·

2026/04/19

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 October & November, 2025 Today's 2 topics: - Scientists are using many approaches to understanding the nature and history of 3I/Atlas the third known interstellar traveler in the night. At a hyperbolic velocity of 130,000 mph it is the fastest interstellar visitor ever measured. - On a

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49:02

Actual Astronomy - 12 Months of Messier

The 365 Days of Astronomy ·

2026/04/18

Episode 531. Just a reminder for people to write in with their questions for David Nagler. Hosted by Chris Beckett & Shane Ludtke, two amateur astronomers in Saskatchewan who enjoy teaching astronomy classes and showing the public views through their telescopes. actualastronomy@gmail.com Some binocular astronomy targets: - M40 - 9.6 Magnitude 1.7' This is a pair of faint stars located in Ursa Major. They are a tough find in binoculars, and you will be challenged to split them with binoculars. In

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15:17

EVSN - Supervolcanoes: Erupt, Refill, Repeat

The 365 Days of Astronomy ·

2026/04/17

From Wednesday, April 15, 2026. This week, in the first of our new shorter and more frequent episodes, we are going to take a look at the interplay of plate tectonics, geology, climate, and life. Specifically, we're looking at the interplay between super volcanoes and us! Did you know Naples is on a supervolcano? Also, in this episode: human sperm get lost in space. 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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13:41

Guide To Space - Bringing Mars To Earth

The 365 Days of Astronomy ·

2026/04/16

https://www.youtube.com/watch?v=dmtCX-TBgfE The Plans For a Mars Sample Return Mission. Hosted by Fraser Cain. From Aug 28, 2019. One of the great accomplishments of the Apollo missions was to bring home hundreds of kilograms of lunar rock. Suddenly, geologists had a lifetime's worth of lunar samples captured from several different spots across the Moon. These rocks and dust have been under continuous analysis since the Apollo 11 astronauts came home over 50 years ago. And they're still making

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14:40

Cheap Astronomy - Dear CA # 133: Why It's Always C

The 365 Days of Astronomy ·

2026/04/15

Cheap Astronomy investigates why light moves at light speed in a vacuum. Hosted by Steve Nerlich. Shining a light! Dear Cheap Astronomy – Why does a photon travel at speed c, part1 It may sound a bit strange to ask why light travels at the speed of light, but that's because c isn't really the speed of light – it's really a measure of the relationship between distance (or space) and time. It's become customary to call c the speed of light, but in reality light moves at different and slower speeds

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08:23

Deep Astronomy - Webb's Deepest Field in 4K -...

The 365 Days of Astronomy ·

2026/04/14

https://www.youtube.com/watch?v=JBHzV4y7G5A Hosted by Tony Darnell. From May 23, 2025. The COSMOS-Web dataset represents the deepest look into our universe done by #JWST. 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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33:39

Astronomy Cast Ep. 161: Launch Facilities

The 365 Days of Astronomy ·

2026/04/13

http://www.astronomycast.com/archive/ From October 26, 2009. Launching a rocket into space requires a big effort on the ground. Space agencies have built up huge infrastructures to store, prepare and launch rockets. Let's take a look at what's involved on the ground at a place like Cape Canaveral. What happens before, during and after a launch. 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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06:05

Travelers in the Night Eps. 871 & 872: New Mars...

The 365 Days of Astronomy ·

2026/04/12

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 October 2025. Today's 2 topics: - The Lagrange point L4 is 60° ahead of Mars whereas L5 is 60° behind Mars on the red planet's orbital path about the Sun. An object placed at either of these locations is trapped gravitationally and is likely to remain there indefinitely. The Mars L4 and L5

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14:17

NOIR Lab - An Extremely Rare Ancient Star

The 365 Days of Astronomy ·

2026/04/11

Astronomers have discovered one of the most chemically primitive stars ever identified — an ancient stellar relic that preserves the chemical imprint of the very first stars in the Universe. In this podcast, Dr. Ani Chiti discusses the discovery of this ancient star and what it tells us about star formation in the early Universe. Bios: - Rob Sparks is in the Communications, Education and Engagement group at NSF's NOIRLab in Tucson, Arizona. - Dr. Anirudh Chiti is a Brinson Prize Fellow at

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