Ask A Spaceman Ep. 235: Is it Time to Redefine the Planet?
Release Date: 11/05/2024
Ask A Spaceman Ep. 237: Could Any Supernova Harm The Earth?
The 365 Days of Astronomy
Death by supernova. Are we “in range” of any potential supernovae? Has the Earth ever been hit in the past? And what about gamma-ray bursts from across the galaxy, are we safe from those? I discuss these questions and more in today’s Ask a Spaceman! This episode is sponsored by BetterHelp. Give online therapy a try at and get on your way to being your best self. Visit BetterHelp to get 10% off your first month! Support the show: All episodes: Follow on Twitter: Read a book: Keep those questions about space, science, astronomy, astrophysics, physics, and...
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Astronomy Cast Ep. 735: Albert Einstein
The 365 Days of Astronomy
Streamed live on Nov 25, 2024. Last week we talked about the Einstein probe. So this week it is only natural that we talk about the man himself, Albert Einstein. He revolutionized the field of physics, played a vital role in the early 20th century and struggled to unite the forces of the Universe at the end of his career. Hosted by: Fraser Cain and Dr. Pamela L. Gay SUPPORTED BY YOU! This Episode is made possible thanks to our Patrons on Patreon. Join at the Galaxy Group level or higher to be listed in our YouTube videos. Thanks to: Andrew Poelstra, BogieNet, Brian Cagle, David, David...
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Travelers in the Night Eps. 293E & 294E: Bright and Bald & 200 Yards of Trouble
The 365 Days of Astronomy
Dr. Al Grauer hosts. Dr. Albert D. Grauer ( ) is an observational asteroid hunting astronomer. Dr. Grauer retired from the University of Arkansas at Little Rock in 2006. Today's 2 topics: - Jul 16, 2024. My Catalina Sky Survey teammate Carson Fuls discovered 2015 TC25 as a rapidly moving point of light in the night sky. Followup observations using data from four different telescopes has enabled a team of astronomers led by Dr. Vishnu Reddy of the University of Arizona's Lunar and Planetary Laboratory to determine that this small asteroid reflects four times more of the sunlight than do most...
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Cheap Astronomy - Dear CA Ep. 112: Getting Closer
The 365 Days of Astronomy
Next steps, if we don’t trip first. Hosted by Steve Nerlich. Dear Cheap Astronomy – How will we find the first evidence of extra-terrestrial life? Well of course, we don’t know – the question is more invitation to review the various options and rank the relative likelihood of those options based on the information we have to hand. So - it’s possible that we’ll first find evidence of intelligent life in the form of an electromagnetic signal of technological origin coming from another star system. Dear Cheap Astronomy – Are we safe from asteroid impacts now? No, but...
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EVSN - Pluto’s Atmosphere Freezing Out as Pluto Moves Away
The 365 Days of Astronomy
From October 5, 2021. Scientists analyzed the results of a stellar occultation when Pluto passed in front of a distant star and found that Pluto’s atmosphere is freezing to the surface as the planet moves away from the Sun. Plus, an interview with Dr. Kat Volk regarding Transneptunian space and the possibility of Planet 9. We've added a new way to donate to 365 Days of Astronomy to support editing, hosting, and production costs. Just visit: 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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H’ad Astra Historia Ep. 107: Where No One Has Gone Before
The 365 Days of Astronomy
Hosted by Loretta Cannon for the AAS-HAD. Today’s guest: Dr. Linda Spilker (JPL Fellow and Sr Research Scientist: ) talks to us about the Voyager mission. She was there for the launch and each planetary flyby! 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 individuals who not only study the history of astronomy, but also those who lived it, who were “in the room” during...
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Big Impact Astronomy - Mirjana Povic: Women in Science: Inspiring Women in STEM Across Africa
The 365 Days of Astronomy
Hosted by Mike Simmons. - Mirjana, born and raised in Serbia during the Balkan Wars, now works on inspiring students, especially women and girls, across Africa. - Focuses on countries in crisis, using astronomy to bring hope and education. - **Highlight:** Discover her journey and the profound impact of her work on young girls aspiring to enter STEM fields. Mike Simmons is the founder of Astronomy for Equity ( ). Others on the team, including people around the world in astronomy and space exploration, authors and philosophers, designers and artists and more will be added as the website...
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Exoplanet Radio - Ep. 30: The Many Earth-sized Worlds of TOI-700
The 365 Days of Astronomy
From Aug 30, 2023. TRAPPIST-1 has held our attention for a long time because it has so many rocky worlds orbiting a star that may allow some of them to have liquid water. The promise of life is too great to ignore, so we turn our most powerful telescopes to this system whenever possible. Now there’s been a new system on the block. The Transiting Exoplanet Survey Satellite, or TESS, has brought us the discovery of a system that is every bit as interesting as TRAPPIST-1. Get all episodes: Music by Geodesium: We've added a new way to donate to 365 Days of Astronomy to...
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Astronomy Cast Ep. 123: Homogeneity
The 365 Days of Astronomy
From January 9, 2009. As astronomers discovered that we live in a great big universe, they considered a fundamental question: is the Universe the same everywhere? Imagine if gravity was stronger billions of light years away… Or in the past. It sounds like a simple question, but the answer has been tricky to unravel. We've added a new way to donate to 365 Days of Astronomy to support editing, hosting, and production costs. Just visit: 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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Travelers in the Night Eps. 765 & 766: Bright Fireball & Korean Asteroid Hunters
The 365 Days of Astronomy
Dr. Al Grauer hosts. Dr. Albert D. Grauer ( ) is an observational asteroid hunting astronomer. Dr. Grauer retired from the University of Arkansas at Little Rock in 2006. Today's 2 topics: - Bright fireball meteors sometimes rain pieces of themselves onto the ground for meteorite hunters to discover. - The Catalina Sky Survey and the Korean teams of asteroid hunters will discover and track Earth approaching objects making the residents of our home planet safer. We've added a new way to donate to 365 Days of Astronomy to support editing, hosting, and production costs. Just visit: ...
info_outlineHow did Pluto get demoted? What makes a planet a planet anyway? Why do we now have so many different kinds of planets, and should we make things simpler? I discuss these questions and more in today’s Ask a Spaceman!
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Hosted by Dr. Paul M. Sutter.
We've added a new way to donate to 365 Days of Astronomy to support editing, hosting, and production costs.
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Share the podcast with your friends and send the Patreon link to them too!
Every bit helps! Thank you!
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