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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. 345E & 346E: Asteroid...

The 365 Days of Astronomy ·

2025/11/02

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 2025. Today's 2 topics: - When Asteroid hunters discover a new object it is given a score ranging from 0 which means it is likely to be a distant main belt asteroid up to 100 which means that it is likely to come near to us. Each newly discovered asteroid which receives a score of 65 or

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06:37

Guide to Space - Is The Universe Perfect For Life?...

The 365 Days of Astronomy ·

2025/11/01

https://www.youtube.com/watch?v=a8dASH8Bg_M From Oct 19, 2015. Doesn't it feel like the Universe is perfectly tuned for life? Actually, it's a horrible hostile place, delivering the bare minimum for human survival. 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

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28:07

EVSN - Giant Black Holes Cosplay as Little Red Dots

The 365 Days of Astronomy ·

2025/10/31

From October 15, 2025. The Universe is hard enough to figure out without one kind of object dressing up as another, but - just in time for Halloween - researchers have figured out that the Little Red Dot in the early Universe just might be massive black holes surrounded in a costume of glowing red gas. Also in this episode, Hyabusa2's amusingly tiny destination, a white dwarf star eating what may be an icy dwarf planet, and tales from the launch pad. We've added a new way to donate to 365 Days of

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40:15

H'ad Astra Historia - Ep. 206: The History of HAD

The 365 Days of Astronomy ·

2025/10/30

Today's guest: Prof. Kenneth Rumstay, emeritus of Valdosta State Univeristy, talks with us today about the history of the Historical Astronomy Division. We'll learn not only about how it got started, but also about how HAD works for its members today. H'ad astra historia is the official podcast for the Historical Astronomy Division of the American Astronomical Society. We're here to share stories from and about the people who study the stars, planets, and the cosmos. We'll be hearing from

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14:17

Cheap Astronomy - Dear CA Ep. 126: Going Deeper

The 365 Days of Astronomy ·

2025/10/29

Hosted by Steve Nerlich. Dear Cheap Astronomy – What is the right message to send to the aliens? Keen listeners may be familiar with Cheap Astronomy's ongoing despair at Earth's lacklustre attempts at communication with the wider Universe. A few episodes back we ran through a history of deliberate communications to date, about 90 per cent of which have been music – well mostly digitized and some analog radio transmissions of music. Dear Cheap Astronomy – Can we drill through the ice and find life

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20:47

Deep Astronomy - Stellina Telescope Review: The...

The 365 Days of Astronomy ·

2025/10/28

Hosted by Tony Darnell. From Dec 19, 2019. Get Stellina Telescope Here (affiliate link): http://bit.ly/2WJrPzr Here are my thoughts on a brand new telescope for amateur astronomers that was released by Vaonis, a French company that has done something remarkable with the Stellina telescope, they've created a fully-automated, self-contained optical system that is unlike anything I've seen before. This telescope is a real paradigm shift for amateur astronomy, never before has getting into the

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31:13

Astronomy Cast Ep. 769: Little Red Dots

The 365 Days of Astronomy ·

2025/10/27

https://www.youtube.com/watch?v=vSVS2x-8eG4 Hosted by: Fraser Cain and Dr. Pamela L. Gay Streamed live on Oct 20, 2025. New instruments bring new mysteries, and when James Webb came on line it uncovered a collection of strange, compact, bright objects shifted deeply into the red end of the spectrum. These were dubbed "Little red dots" or LRDs. And the astronomical community continues to puzzle over what they are. When JWST first peered into the distant past, it discovered the early universe had a

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06:05

Travelers in the Night Eps. 343E & 344E: 3 Explorers...

The 365 Days of Astronomy ·

2025/10/26

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 July 2025. Today's 2 topics: - Recently, my Grandsons, Dane and Hank joined our asteroid hunting team at the Catalina Sky Survey 60 inch telescope on Mt. Lemmon. The most interesting of our discoveries, 2017 KJ32 is only 16 feet in diameter, orbits the Sun once every 315 days, and can come

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51:08

The Cosmic Savannah Ep. 75: Exploring the Universe at...

The 365 Days of Astronomy ·

2025/10/25

From July 31, 2024. Hosted by Dr. Jacinta Delhaize, Dr. Tshiamiso Makwela & Dr. Daniel Cunnama. In this double feature episode, Jacinta interviews two amazing astronomers at the SARAO conference (South African Radio Astronomical Observatory). Dr. Mpati Ramotsoku is a radio astrophysicist from South Africa. In the episode she discusses her journey from studying in the Netherlands to working in Italy at the Italian National Institute of Astrophysics in Cali, and eventually returning to South Africa

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22:00

EVSN - Not Surprising Anyone, Satellite Proliferation...

The 365 Days of Astronomy ·

2025/10/24

From April 13, 2021. A new study examined the effects of recent increases in the number of space objects orbiting Earth and found that the proliferation of satellites contributes to a nearly ten percent increase over natural lighting of the night sky. Plus, Mars, Uranus, Neptune, ancient Earth, volcanoes, and our weekly What’s Up segment. 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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06:46

Guide to Space - How Fast Can Stars Spin? Objects...

The 365 Days of Astronomy ·

2025/10/23

https://www.youtube.com/watch?v=D6vU3-LGrgM From Jul 11, 2016. Stars can spin faster or slower than the Sun. What’s the fastest that’s ever been discovered, and what’s the fastest speed you can have before they tear themselves apart? Everything in the Universe is spinning. Spinning planets and their spinning moons orbit around spinning stars, which orbit spinning galaxies. It’s spinning all the way down. Consider that fiery ball in the sky, the Sun. Like all stars, our Sun rotates on its axis. You

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14:36

Cheap Astronomy - Dear CA Ep. 125: Pragmatism

The 365 Days of Astronomy ·

2025/10/22

Those tricky next steps. Dear Cheap Astronomy – Could war get us into space? There’s been a long-running dialogue here at Cheap Astronomy about what economic drivers might transform us into a proper spacefaring species with Moon bases, Mars bases and all that. And well, its been hard to think what economic drivers really might work. Space is hard and it’s also darned expensive. Tourism could be a driver, after all there has been a bit of millionaire tourism happening, mostly just flights above the

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34:28

Ask A Spaceman Ep. 258: What’s Going to Happen After...

The 365 Days of Astronomy ·

2025/10/21

Why did we develop the International Space Station in the first place? What have we learned in its 25+ years of operation? When is it coming down, and why? And what’s coming up next? 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,

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31:40

Astronomy Cast Ep. 768: Comets' Unpredictability

The 365 Days of Astronomy ·

2025/10/20

https://www.youtube.com/watch?v=Oi72aaDhl0A Hosted by: Fraser Cain and Dr. Pamela L. Gay Streamed live on Oct 13, 2025. So it’s been decades since we’ve seen a bright comet in the sky. And actually there was a pair — Hale-Bopp and Hyakutake. And then, silence! And unmet promises by the Universe to give us a bright comet. Comets are unpredictable, and they arrive precisely when they intend to. Is it time again for a bright comet? If you asked us in January if 2025 was going to have any outstanding

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06:05

Travelers in the Night Eps. 341E & 342E: Laser...

The 365 Days of Astronomy ·

2025/10/19

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 June 2025. Today's 2 topics: - When we find a planet which appears to have the chemical signs of living organisms in its atmosphere, the desire to take a close up look at it will be hard to contain. In a Scientific American article, Lee Billings describes Yuri Milner's 100 million dollar

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05:50

ASTROMAN - Dark Sky Citizen Scientist

The 365 Days of Astronomy ·

2025/10/18

Episode 10. How to become a citizen scientist! “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 science and arts. Exodus CL Sit, also known as the ASTROMAN, is a transmedia astronomy educator, popular science author,

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12:15

EVSN - Dual Quasars, Tidal Disruption Events & A Halo...

The 365 Days of Astronomy ·

2025/10/17

From Aug 31, 2020. Join us today as we examine observations for dual quasars in the process of merging and a star being torn apart by its supermassive black hole. Plus, Hubble data used to map a halo around the Andromeda galaxy. 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!

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55:15

Actual Astronomy - M55, Helix Nebula & Other...

The 365 Days of Astronomy ·

2025/10/16

Hosted by Chris Beckett & Shane Ludtke, two amateur astronomers in Saskatchewan. actualastronomy@gmail.com The Actual Astronomy Podcast Episode 503 presents M55, Helix Nebula and other Observations. In this episode we talk about a long list of observing targets from the globular star cluster M55, the Helix planetary nebula and other objects. We read a listener who emails us a sky tour for the late summer as well. We've added a new way to donate to 365 Days of Astronomy to support editing, hosting,

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14:03

Guide To Space - AstroClipper: Plans For A Two-Stage,...

The 365 Days of Astronomy ·

2025/10/15

https://www.youtube.com/watch?v=qWfkW2y-hAQ From Oct 15, 2019. Even as the first rockets were launched into space decades ago, aerospace knew it was a wasteful process. Rocket stages, motors, and complex equipment crashed into the ocean or burned up in the Earth’s atmosphere. Could spaceplanes bring the costs down? Flying to orbit with a combination of jet engines and rockets and then safely re-enter the Earth’s atmosphere again. Single-stage to orbit spacecraft and spaceplanes have always seemed

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06:49

Exoplanet Radio: How Far Away Are the Closest...

The 365 Days of Astronomy ·

2025/10/14

From October 2023. Hosted by Tony Darnell. The search for life on other worlds is, to say the least, a daunting and overwhelming task. We’ve been searching for only about one human generation and have yet to find anything in our own solar system, let alone the vast expanse of our galaxy. To increase our chances of finding life on other planets, a systematic approach needs to be adopted, one that applies reasonable assumptions that maximize our success. So, an important question becomes, where

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