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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

10:34

NOIR Lab - A Stellar Companion for Betelgeuse

The 365 Days of Astronomy ·

2025/08/09

Astronomers have discovered a companion star in an incredibly tight orbit around Betelgeuse using the NASA and U.S. National Science Foundation-funded ‘Alopeke instrument on Gemini North, one half of the International Gemini Observatory, partly funded by the NSF and operated by NSF NOIRLab. In this podcast, Dr. Steve Howell describes the possible discovery of this long sought after companion and future observations research into this type of star system. Bios: - Rob Sparks is in the

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31:12

EVSN - It Came From the Outer Solar System

The 365 Days of Astronomy ·

2025/08/08

From July 30, 2025. In this week's episode we take a look at all the news our outer solar system has to offer. From newly discovered outer solar system objects to interstellar comet 3I/Atlas to the Perseid Meteor shower, we have icy objects and absolutely no aliens (It's never aliens #IYKYK). 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

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57:45

Cosmic Perspective - 50th Anniversary of the End of...

The 365 Days of Astronomy ·

2025/08/07

Hosted by Andy Poniros. On the 50th anniversary of the final Apollo Mission, The Apollo-Soyuz Test Project, Apollo / Shuttle Astronaut Vance Brand discusses what is considered to be the beginning of detente between the US & the Soviet Union as well as other missions...Also, Apollo 11 Flight Controller Steve Bales & Apollo 16 Astronaut & Apollo 11 Lunar Landing Capcom, Charlie Duke discuss the challenges of landing the Neil Armstrong & Buzz Aldrin on the Moon. Intro Music: "A Moment in Space

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01:28:42

Awesome Astronomy - AI, Hypersonics & Betelbuddy -...

The 365 Days of Astronomy ·

2025/08/06

Paul Hill, Ralph Wilkins and Dr. Jenifer “Dr. Dust” Millard host. Damien Phillips, John Wildridge and Dustin Ruoff produce. This month we talk about Jen at the BBC, AI in science communication, a supernova in NGC7331, whether Betelgeuse has a companion, Exoplanet shenanigans, European hypersonic space planes, and of course our monthly sky guide and general chat. 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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33:28

Ask A Spaceman Ep. 253: What Does Outer Space Sound...

The 365 Days of Astronomy ·

2025/08/05

What would the Sun sound like if we could hear it? Does any noise at all happen in the Universe? What’s the biggest sound of all? 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 #AskASpaceman for

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33:56

Astronomy Cast Ep. 235: Einstein

The 365 Days of Astronomy ·

2025/08/04

http://www.astronomycast.com/archive/ From October 17, 2011. What can we say about Einstein? Albert! Freaking! Einstein! Lots, actually. In this show we’re going to talk about the most revolutionary physicist… ever. He completely changed our understanding of time, and space, and energy, and gravity. He made predictions about the nature of the Universe that we’re still testing out. 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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06:05

Travelers in the Night Eps. 805 & 806: Very Close...

The 365 Days of Astronomy ·

2025/08/03

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 July, 2024. Today's 2 topics: - During a recent 60 day period asteroid hunters observed 23 asteroids which came closer to us than our Moon. Six of them passed closer to the Earth’s surface than 22,236 miles which is the distance to our communication satellites. - It is hard to obtain time on

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11:11

Astro Interviews - Fraser Cain

The 365 Days of Astronomy ·

2025/08/02

From August 19, 2017. Your audio editor, Richard Drumm, interviewed Astronomy Cast’s co host Fraser Cain. The idea was to interview him before and after the total solar eclipse that was upcoming, and get his before and after impression of the event. Unfortunately the clouds at Carbondale, Illinois, had other plans. Fraser & Pamela were at SIUC’s Stadium and Richard was 2 miles away at the SIUC School of Agricultural Sciences. Richard had a clear sky and Fraser & Pamela did not. This unfortunate turn

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22:09

EVSN - Saturn’s Rings Are Made of a Broken-up Moon

The 365 Days of Astronomy ·

2025/08/01

From September 16, 2022. Using computer simulations, researchers have pieced together a possible scenario where Titan caused another of Saturn’s moons to break up and become the beautiful ring system we see today. Plus, organic molecules on Mars, the death of the dinosaurs, and a review of Lightyear on Disney+. 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

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21:19

Actual Astronomy - The Observer’s Calendar for August...

The 365 Days of Astronomy ·

2025/07/31

Hosted by Chris Beckett & Shane Ludtke, two amateur astronomers in Saskatchewan. actualastronomy@gmail.com The Actual Astronomy Podcast presents The Observer’s Calendar for August 2025. In this episode we talk about the Moon pairing with Antares, Saturn, Mars then Antares again! We also talk about finding 4 asteroids at oppositions, Ausonia, Pallas, Julia and Hebe. There is also a great line in the sky formed when Jupiter, Venus and the Moon line up with Castor and Pollux after mid-month. Aug 1 -

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10:35

Space Stories - When Stars Explode: From Nova to...

The 365 Days of Astronomy ·

2025/07/30

Hosted by Avivah Yamani, your Director. What happens when a star dies? Today we journey through the powerful stellar finales, from the gentle flare of a nova to the cataclysmic force of a kilonova. Join us as we unravel the stories behind novae, supernovae, hypernovae, kilonovae, and the recently discovered micronovae. Have a listen & find out what makes stars go out with a bang! 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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09:04

Deep Astronomy - The Earth As An Exoplanet

The 365 Days of Astronomy ·

2025/07/29

https://www.youtube.com/watch?v=s8omjQrl2f4 Hosted by Tony Darnell. From August 22, 2018. Are we alone? How unique is our Earth? Should the hunt for life beyond Earth uncover a multitude of habitable worlds and few (if any) inhabited ones, humanity would begin to understand just how lonely and fragile our situation is. On the other hand, if our hunt yields a true diversity of inhabited worlds, then we would learn something fundamental about the commonality of life in the cosmos. Like this

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32:11

Astronomy Cast Ep. 10: Measuring Distance in the...

The 365 Days of Astronomy ·

2025/07/28

http://www.astronomycast.com/archive/ From November 13, 2006. You hear distances all the time in astronomy. This star is 10 light-years away; that galaxy is 50 million light-years away; that Big Bang over there happened 13.7 billion years ago. But how did astronomers actually figure out how far away everything is? It’s not a single measuring stick. Instead, astronomers have built up a series of overlapping measuring tools (yes, we’re calling supernovae and variable stars “tools”), which take us from

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06:05

Travelers in the Night Eps. 803 & 804: Monster NEO &...

The 365 Days of Astronomy ·

2025/07/27

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 2024. Today's 2 topics: - Since larger space rocks are rare, it was surprising when my Catalina Sky Survey teammate Hannes Groller found a half mile diameter asteroid traveling through the constellation of Auriga. Fortunately on it’s current path 2024 JW1 can’t come closer than 53

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47:03

The Cosmic Savannah Ep. 72: Exploring New Horizons in...

The 365 Days of Astronomy ·

2025/07/26

Hosted by Dr. Jacinta Delhaize, Dr. Tshiamiso Makwela & Dr. Daniel Cunnama. From June 19, 2024. Season 6. In this episode of The Cosmic Savannah, our hosts chat with Dr. Rojovola Zara-Nomena Randriamanakoto from the South African Astronomical Observatory about her transformative journey from Madagascar to becoming an instrumental figure in astronomy, advocating for women in STEM, and her research on star clusters and colliding galaxies. Dr. Zara Randriamanakoto is an influential astronomer from

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35:39

EVSN - Volunteer Stargazer

The 365 Days of Astronomy ·

2025/07/25

From July 16, 2025. In this special episode we look at how volunteers throughout history have aided in scientific explorations and tell you how you can get involved with our latest community science projects. - World Mappers (Mars Mosaics & Lunar Melt): https://mappers.psi.edu 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

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06:28

UNAWE Space Scoop - What Did Our Solar System Look...

The 365 Days of Astronomy ·

2025/07/24

Hosted by Richard Drumm, your editor! Planets don’t just pop out of nowhere, fully formed and ready for astronomers to study. First, they begin as tiny little specks of dust, forming inside the clouds of gas around baby stars, which are known as protoplanetary discs. These dusty specks condense from the hottest parts of the cloud, kinda like the way raindrops form inside rainclouds. Over time, the specks of dust collide and stick together, forming rocky pebbles. When enough of these pebbles clump

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14:46

Cheap Astronomy Ep. 121: Black Holes Yet Again!

The 365 Days of Astronomy ·

2025/07/23

Very dense and podcastable. Cheap Astronomy finds there can never be too many podcasts about black holes. Dear Cheap Astronomy – What are squeezars? Squeezars are stars that orbit supermassive black holes. Essentially they are stars on a slow death spiral into the black hole and the squeezing referred to is the tidal stretch being exerted upon them as the orbit closer and closer to the black hole’s event horizon. That tidal stretching heats them up, a bit like how the moon of Io, orbiting close to

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36:12

Ask A Spaceman Ep. 252: Why Can’t We Get Free Energy...

The 365 Days of Astronomy ·

2025/07/22

Hosted by Dr. Paul M. Sutter. Why does the vacuum of spacetime have energy? How much energy does it have? What prevents us from using it to do anything useful? 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: http://www.pmsutter/book Keep those questions about space, science, astronomy, astrophysics, physics, and cosmology

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33:01

Astronomy Cast Ep. 277: Orbit

The 365 Days of Astronomy ·

2025/07/21

From October 22, 2012. When an object is orbiting the Earth, it’s really falling. The trick, described in the Hitchhiker’s Guide to the Galaxy, is how to throw yourself at the ground and miss. There are several different kinds of orbits, and they are good for different reasons. From suborbital jumps to geostationary orbit, time to learn everything there is to know about going around and around and around. We've added a new way to donate to 365 Days of Astronomy to support editing, hosting, and

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