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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

01:03:09

Cosmic Savannah Ep. 74: Simulating Cosmic Nurseries

The 365 Days of Astronomy ·

2025/09/27

Hosted by Dr. Jacinta Delhaize, Dr. Tshiamiso Makwela & Dr. Daniel Cunnama. This episode of Cosmic Savannah features Professor James Chibueze, a distinguished professor at the University of South Africa, discussing his research on star formation using radio astronomy. During the episode, Prof Chibueze discusses his journey to become a professional astronomer and how he got interested in radio astronomy. Prof Chibueze also gives some insight into his experience doing his PhD in Japan and even

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10:50

EVSN - Twinkling Heart of the Milky Way Spotted

The 365 Days of Astronomy ·

2025/09/26

From May 22, 2020. Join us today as we talk about radio transmitters found in the twinkling heart of the Milky Way. Then we'll look at an asteroid that has a comet-like tail. And finally, Bennu is about to be sampled by OSIRIS-Rex, and we helped make that happen! 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

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10:05

Awesome Astronomy - JWST Finds its 1st Exoplanet

The 365 Days of Astronomy ·

2025/09/25

https://www.youtube.com/watch?v=yH4uczqmhQ0 From Jan 20, 2023. The James Webb Space Telescope took time away from finding the earliest galaxies or imaging incredible nebulae to test out its planet hunting capabilities. To say it was immediately successful would be an understatement. JWST is showing us that it can do almost anything in astronomy and cosmology. Its latest trick is picking out an exoplanet candidate, confirming it exists and telling us about this alien world. LHS 475 is a red dwarf

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14:25

Cheap Astronomy - Dear CA Ep. 124: Aliens & Alien Worlds

The 365 Days of Astronomy ·

2025/09/24

Are we alone, and if so can we have all the planets? Dear Cheap Astronomy – Alien diplomacy? A recent paper by John Gertz called Interstellar Diplomacy suggests some kind of contact with aliens is inevitable, which seems reasonable with respect to some kind of radio transmission, but the paper then goes on to suggest that contact might involve a robotic scout vehicle sent here from an a distant alien civilization, which seems somewhat less inevitable and then it descends into farce by further

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36:10

Ask A Spaceman Ep. 256: What Can Gravitational Waves...

The 365 Days of Astronomy ·

2025/09/23

Echoes of the Big Bang! What are some sources of gravitational waves that aren’t black holes? How did inflation create gravitational waves? How can we possibly detect them? 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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33:42

Astronomy Cast Ep. 764: Cleared For Launch!

The 365 Days of Astronomy ·

2025/09/22

https://www.youtube.com/watch?v=4GhRypmWaCY Streamed live September 17, 2025. This week, we look at the process behind rockets getting licensed to launch, and everyone around the pad getting notified to stay away as T-0 approaches. (Can you say "errant boat"?) We have a saying around here: “One does not simply book a return trip from a rocket launch.” That’s because they are an intensely complex chain of events that need to go right before it’s wise to let that rocket leave the launchpad. We've

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06:05

Travelers in the Night Eps. 333E & 334E: Worth...

The 365 Days of Astronomy ·

2025/09/21

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: - Greg Leonard was observing with our team's 60 inch telescope on Mt. Lemmon in Arizona when he discovered a relatively large space rock, 2017 FD157, which can theoretically come closer to the Earth's surface than the communications satellites! - Dr. Paul Wiegert

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06:24

ASTRO Man - Dark Sky Education

The 365 Days of Astronomy ·

2025/09/20

Episode 9. “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, STEAM educator, and science

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54:55

EVSN - Pulsating Stars, Watery Plumes From Europa &...

The 365 Days of Astronomy ·

2025/09/19

From May 14, 2020. Join us today as we talk about one of my favorite areas of research, pulsating stars, and how researchers have used data from NASA’s TESS mission to understand them. We also look at new evidence for watery plumes erupting from Jupiter’s moon Europa. And finally, we discuss how the SOFIA observatory has found clues for why Pluto’s atmospheric haze continues to exist. 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

Actual Astronomy - Featuring Constellation Taurus

The 365 Days of Astronomy ·

2025/09/18

Hosted by Chris Beckett & Shane Ludtke, two amateur astronomers in Saskatchewan. actualastronomy@gmail.com Episode 500! The Actual Astronomy Podcast presents Constellation Taurus. In this episode Chris and Shane celebrate their 500th episode by exploring all the nebulae and star clusters in Taurus. Taurus the Bull charges, head down toward Orion. The unmistakable V-shaped pattern marks the Hyades, catalogued as Melotte 25; this is the nearest open cluster at 153 light-years. First-magnitude

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09:52

Guide To Space - Oldest Rock From Earth Was Found On...

The 365 Days of Astronomy ·

2025/09/17

https://www.youtube.com/watch?v=0h_ckjhGdjs From Feb 2, 2019. Geologists think they’ve found the oldest Earth rock ever seen. And they found it in one of the last places you’d ever suspect, on the Moon. When the Apollo 14 astronauts returned their lunar samples back to Earth, they were carrying one rock that had formed on Earth 4 to 4.1 billion years ago, which was carved out of our planet during the time of intense bombardment and delivered to the Moon. We've added a new way to donate to 365

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06:18

Deep Astronomy - How to Find the Orion Nebula

The 365 Days of Astronomy ·

2025/09/16

https://www.youtube.com/watch?v=Z3287bkIOiM&ab_channel=DeepAstronomy Hosted by Tony Darnell. From Oct 22, 2024. Your Sky Tonight is produced by Deep Astronomy and made possible by members of this YouTube Channel. Thank You! In this episode, we look at how to locate the Orion Nebula in the night sky. 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

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31:12

Astronomy Cast Ep. 763: Interstellar Comets

The 365 Days of Astronomy ·

2025/09/15

https://www.youtube.com/watch?v=op5hkKFWFlM Season 19. Streamed live Sep 8, 2025. Welcome to the first episode of our 19th season! This week we look at objects coming from other solar systems that come passing on by our Sun. During the summer hiatus the 3rd interstellar object was discovered: Comet 3I/ATLAS! So now we have 3 different interstellar interlopers to compare & contrast. What are we starting to learn about other star systems from this small sample size and how will our detection get even

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06:05

Travelers in the Night Eps. 331E & 332E: Asteroid...

The 365 Days of Astronomy ·

2025/09/14

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: - In 2013 a 56 foot diameter space rock exploded over Chelyabinsk, Russia releasing the energy of 450 kilotons of TNT and filled local hospitals with some of the 1,500 people who were injured. Fortunately no one died. In 1908 a 200 ft diameter meteor exploded over

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11:21

NOIR Lab - Fast X-Ray Transients & The Deaths Of...

The 365 Days of Astronomy ·

2025/09/13

Since their first detection, powerful bursts of X-rays from distant galaxies, known as fast X-ray transients (FXTs), have mystified astronomers. FXTs have historically been elusive events, occurring at vast distances away from Earth and only lasting seconds to hours. Einstein Probe (EP), launched in 2024, is dedicated to observing transient events in the X-ray and is changing the game for astronomers looking to understand the origin of these exotic events. In this podcast, Dr. Robert Eyles-Ferris

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35:09

EVSN - Rockets Make Bad Neighbors

The 365 Days of Astronomy ·

2025/09/12

From September 3, 2025. In this week's episode, we take a look at the impact SpaceX launches from the Space Coast will have on their competitors and those living, working, and going to school near Kennedy and Cape Canaveral. We also look at a bunch of new science discoveries, including the origins of Ryugu & Bennu, the solar system shocked itself, a new supernova that blew off an unusual number of layers before exploding, and quick updates on Psyche, Juno, JUICE, and the number of moons orbiting

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09:30

Space Stories - Where Day Meets Night: The Equinox

The 365 Days of Astronomy ·

2025/09/11

Hosted by Avivah Yamani, our Director. We are exploring the word Equinox. We start by having the definitions, why “equal night” isn’t quite exact, how spring/autumn flip between hemispheres, and a whirlwind tour of equator monuments from Pontianak to Macapá, Cayambe, Kayabwe, Nanyuki, Ilhéu das Rolas, and Bonjol. 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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09:22

Guide To Space - What Does the Universe Do When We're...

The 365 Days of Astronomy ·

2025/09/10

https://www.youtube.com/watch?v=L1otYvmqp6w Hosted by Fraser Cain. From Jul 19, 2016. Some of the greatest discoveries in astronomy have been made by watching how the skies change over time. Today we talk about these techniques, and an observatory that will revolutionize time-based astronomy. 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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33:34

Ask A Spaceman Ep. 255: How Do The Biggest Stars Get...

The 365 Days of Astronomy ·

2025/09/09

How do we measure the sizes of stars? What are the biggest ones today, and how big could stars have gotten in the past? Is there any way for a star to cheat and get even bigger? 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,

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29:25

Astronomy Cast Ep. 155: Dwarf Stars

The 365 Days of Astronomy ·

2025/09/08

http://www.astronomycast.com/archive/ From September 14, 2009. We think we live near an average star, but that’s not the case at all. Compared to most stars in the Universe, the Sun is a giant! Let’s look at the small end of the stellar spectrum, to stars with a fraction of the size and mass of our own Sun. There are many ways that a star can get small, and they lead dramatically different lives and deaths. We've added a new way to donate to 365 Days of Astronomy to support editing, hosting, and

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