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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

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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31:31

Astronomy Cast Ep. 767: Black Holes in Extreme...

The 365 Days of Astronomy ·

2025/10/13

https://www.youtube.com/watch?v=mCqRhiApwMQ Season 19 Hosted by: Fraser Cain and Dr. Pamela L. Gay Streamed live on Oct 6, 2025. You can only describe a black hole by its mass and its spin. And maybe it’s charge. But allow us to propose a new criteria: the personal experience. Some black holes have seen things… Experienced the laws of physics at their most extreme. And today we’ll tell their stories. The more of the sky we observe, the more bizarre situations we find black holes in. Let's explore!

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06:05

Travelers in the Night Eps. 339E & 340E: Ice World &...

The 365 Days of Astronomy ·

2025/10/12

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 Today's 2 topics: - Recently Dr. Yossi Shvartzvald led a team which published their discovery of an Earth sized planet using microlensing in the Astrophysical Journal Letters. The newly discovered planet OGLE-2016-BLG-1195Lb orbits a small dim object about 13,000 light years from us. With only 7.8%

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11:43

NOIR Lab - Elusive Cloud Forming Chemicals Found On...

The 365 Days of Astronomy ·

2025/10/11

Astronomers have long predicted that the cloud forming chemical should be found in the atmospheres of brown dwarfs and gas giants. Silane had eluded detection until now. In this podcast, Dr. Aaron Meisner recounts how silane was discovered in the atmosphere of a brown dwarf nicknamed “The Accident”. The Accident (WISEA J153429.75-104303.3) was discovered by citizen scientist Dan Caselden, who was using an online program he built to find brown dwarfs in NEOWISE data. Bios: Rob Sparks is in the

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22:57

EVSN - Gemini South Observes Young, Meandering...

The 365 Days of Astronomy ·

2025/10/10

The Gemini South Observatory, using adaptive optics, has captured stunning new images of meandering stellar jets. The sidewinding appearance is likely caused by gravitational influences of nearby companion stars. Plus, exoplanet news and a review of a Canon lens. 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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16:47

Awesome Astronomy - The Search for Aliens with Seth...

The 365 Days of Astronomy ·

2025/10/09

Awesome Astronomy - The Search for Aliens with Seth Shostak https://www.youtube.com/watch?v=Bj6Wfv1djf0 Paul Hill, Ralph Wilkins and Dr. Jenifer “Dr. Dust” Millard host. Damien Phillips, John Wildridge and Dustin Ruoff produce. From Jan 3, 2022. Our chat with Dr. Seth Shostak from our live show to ease the boredom of covid lockdowns. We talk about: • The latest in the search for alien signals. • Using the large New Mexico telescope array to search for ET. • How ancient seafaring and watchmaking

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12:27

Guide to Space - Which Are The Real Pictures of...

The 365 Days of Astronomy ·

2025/10/08

https://www.youtube.com/watch?v=Q41hLHcKyUM From Mar 21, 2018. Have you ever wondered how those amazing pictures of space are gathered? Which are photographs, which are illustrations, and which are total fakes? [Editor’s note: You’ll have to go to the YouTube link above to see the photos.] 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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29:48

Ask A Spaceman Ep. 257: How Does One Go About...

The 365 Days of Astronomy ·

2025/10/07

How to smash a particle. How do particle colliders work? What kinds of energies are we talking about? Are there any uses for colliders except for physics experiments? 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

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31:00

Astronomy Cast Ep. 766: How Spacecraft End

The 365 Days of Astronomy ·

2025/10/06

https://www.youtube.com/watch?v=kXkqLQ1oBk8 End-of-Life Planning for Your Spacecraft! Streamed live October 1, 2025. Your spacecraft has reached the end of its mission. You’ve done everything you can to keep it operational, but now it’s time to say goodbye. How do space agencies deal with spacecraft to shut them down gracefully, protect future missions and life on other worlds. So, the time has come to see your mission across the Rainbow Bridge. How exactly do you say goodbye? Let's discuss.

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06:05

Travelers in the Night Eps. 337E & 338E: Seeds &...

The 365 Days of Astronomy ·

2025/10/05

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 May 2025. Today's 2 topics: - When a fleet of interstellar spaceships leaves our solar system for a planet circling a nearby star the most important of all of the riches that human explorers will carry with them will be libraries of our planet's DNA and the seeds of plants. They are the

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01:23:38

Awesome Astronomy - Camping, Craters & Comets

The 365 Days of Astronomy ·

2025/10/04

Paul Hill and Dr. Jenifer “Dr. Dust” Millard host. Damien Phillips, John Wildridge and Dustin Ruoff produce. October Part 1. Paul & Jen chat about the big submerged crater off Yorkshire, the return of the ozone hole, NASA’s apparent decline, Astro Camp and the several comets we have on tap for October & November! Bit of a mixed bag, really… 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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28:50

EVSN - The Black Hole Eating Star With...

The 365 Days of Astronomy ·

2025/10/03

From September 17, 2025. In this week’s episode, we tell the story of a Giant Blue Star that made the terrible, terrible mistake of trying to nibble on its more evolved sibling; it’s black hole of a sibling. Folks, don’t eat the dark holes in spacetime. We also look at this week’s news, including lumpy planets, forming planets, asteroids getting up close and personal, and how Leopard spots are in style for life hunting Mars Scientists. We also have tales from the launch pad. We've added a new way

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53:56

Actual Astronomy - Observer’s Calendar For October

The 365 Days of Astronomy ·

2025/10/02

Hosted by Chris Beckett & Shane Ludtke, two amateur astronomers in Saskatchewan. actualastronomy@gmail.com The Actual Astronomy Podcast presents Episode 502: The Observer’s Calendar for October 2025. In this episode we talk about a long list of observing events from Carbon stars to many shadow transits of the Moon of Jupiter. Don’t miss the Orionid meteor shower and catch Saturn with its rings edge on! We also discuss some stars and deep sky objects and two bright comets coming our way! Oct 1 -

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10:46

Guide To Space - Can There Be Life On Planets Around...

The 365 Days of Astronomy ·

2025/10/01

https://www.youtube.com/watch?v=NkPhmtJRvsM From Jan 24, 2019. As astronomers find more and more planets around other stars, the big question we want to know is: are they habitable, could there be life there? The vast majority of stars in the Milky Way are red dwarf stars, and most of the planets in habitable zones have been found orbiting these cooler, less massive stars. What are the chances that life could get going on these worlds? We've added a new way to donate to 365 Days of Astronomy to

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09:48

Space Stories - Parallax: Measuring the Cosmos

The 365 Days of Astronomy ·

2025/09/30

Hosted by Richard Drumm, our Editor. The word of the day today is parallax! Specifically stellar parallax. So what’s parallax & what does it mean to astronomers? As it happens, I was part of the UVA Parallax team in the early 1980s. Best part-time job ever! So for once I might know a little bit about what I’m talking about! I’ll do my best to describe it so you can understand the science. An easy method to help grasp the concept is for you to hold out your thumb at arm’s length and close one eye,

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35:52

Astronomy Cast Ep. 765: Rockets vs The Environment

The 365 Days of Astronomy ·

2025/09/29

https://www.youtube.com/watch?v=2NupNyOy4-0 Streamed live on Sep 22, 2025. We don’t launch a lot of rockets every year, so their impact on the environment is minimal compared to other forms of transportation. But that number is steadily increasing with rates that we’ll have to take seriously. What’s the current and future impact of rockets on the environment Rocket facilities are often surrounded by wildlife preserves and they always fly through our atmosphere. Let's take a look at how launches do

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06:05

Travelers in the Night Eps. 335E & 336E: Returnee & 2...

The 365 Days of Astronomy ·

2025/09/28

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 May 2025. Today's 2 topics: - On May 5, 2014 when I discovered 2014 JO25 with the Catalina Sky Survey's 60 inch telescope on Mt. Lemmon, Arizona it was the brightest, fastest asteroid I had ever seen. In April of 2017, 2014 JO25 returned to come within 1.1 million miles of us at 21 mi/s. This

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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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