Astronomy Cast Ep. 13: Where Do Stars Go When They Die?
Release Date: 12/28/2020
Ask A Spaceman Ep. 222: What is the Most Distant Thing We Can See?
The 365 Days of Astronomy
What’s the most distant thing we can see with the naked eye? What about with a telescope? What about at other wavelengths? Is there anything more to see? I discuss these questions and more in today’s Ask a Spaceman! This episode is sponsored by BetterHelp. Give online therapy a try at betterhelp.com/spaceman 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 cosmology coming to...
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Astronomy Cast Ep. 9: Einstein's Theory of Special Relativity
The 365 Days of Astronomy
From November 6, 2006. It’s all relative. How many times have you heard that? Well, when you’re traveling close to the speed of light, everything really is relative; especially the passage of time. This week, Fraser and Pamela give you the skinny on Einstein’s Special Theory of Relativity. After listening to a few thought experiments, you too should be able to wrap your head around this amazing theory. 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...
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Travelers in the Night Eps. 723 & 724: Very Close One & Aten
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: - Ten hours and 46 minutes after my Catalina Sky Survey teammate Greg Leonard discovered a Toyota RAV4 sized space rock, now named 2018 UA, streaking through the constellation of Pegasus at 8.8 miles/second, this tiny asteroid passed less than 1/2 the distance of the communications satellites to the surface of planet Earth. - Aten Asteroids are stealthy space rocks which can be dim and hard to detect since...
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NOIRLab - The Heaviest Black Hole Pair Ever Found
The 365 Days of Astronomy
Using archival data from the Gemini North telescope, a team of astronomers have measured the heaviest pair of supermassive black holes ever found. The merging of two supermassive black holes is a phenomenon that has long been predicted, though never observed. In this podcast, Dr. Roger Romani discusses the discovery of this system and what we can learn about massive black hole pairs from this system. Bios: - Rob Sparks is in the Communications, Education and Engagement group at NSF’s NOIRLab in Tucson, Arizona. - Dr. Roger W. Romani is a member of the Kavli Institute for...
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EVSN - Planet Formation is (Still) Not Well Understood
The 365 Days of Astronomy
From March 29, 2024. One of our recurring topics is “Planet formation is not well understood,” and a trio of new papers is making it clear why planet formation continues to... not be well understood. Put simply: the Universe likes to create more diverse solar systems than an entire planet’s worth of sci-fi writers can imagine. 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!...
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Awesome Astronomy - Packing For A Solar Eclipse
The 365 Days of Astronomy
Paul Hill and Dr. Jenifer “Dr. Dust” Millard host. Damien Phillips, John Wildridge and Dustin Ruoff produce. This month Dr. Jen is off to the US for the Solar Eclipse while Paul is just back from Goonhilly Earth Station. We chat about the imminent demise of the Chandra Space Telescope, more news on the Hubble tension, and of course the Great North American Eclipse. Chinese Lunar ambitions, Starship making it to space and the first Boeing Starliner crew make the news while in this month’s history moment we talk about the brightest Stellar event witnessed by humans. ...
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SETI Live - A Celestial Collaboration: Unistellar Citizen Scientists Track Comets
The 365 Days of Astronomy
Throughout human history, comets have fascinated us. They have gone from signs and portents of bad things to come to well-studied and even visited "dirty snowballs". Every year, observers search the skies, hoping to discover the Next Big Comet - Halley, Hyakutake, Hale–Bopp, McNaught. From SOHO and LINEAR to ATLAS and IRAS, numerous observatories have continued to add to the count of discovered comets. But it doesn't require expensive hardware or spacecraft to make similar observations from your own backyard; telescopes and even binoculars will work - at least for the brightest...
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Exoplanet Radio Ep. 15: A Giant Planet Found Orbiting a Small Star
The 365 Days of Astronomy
From August 8, 2023. A massive, Jupiter-sized exoplanet has been discovered orbiting a small, low-mass star and this discovery is challenging theories on how planets form around their stars. The planet, called TOI-4860 b, is about the same size as Jupiter and orbits its star once every 1.5 Earth days, classifying it as a warm Jupiter. This is unusual because planets this large are not supposed to form around low-mass stars. 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...
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Astronomy Cast Ep. 715: Total Eclipse of the Science: Experiments During the Eclipse
The 365 Days of Astronomy
Streamed live April 1, 2024. NO JOKES! How to watch a solar eclipse and do some science! The next great eclipse is upon us, with viewers across North America witnessing the moon passing in front of the Sun. It’s an amazing experience, but also an opportunity to do science. Let’s talk about what we can learn from this momentous event. This video was made possible by the following Patreon members: Jordan Young BogieNet Stephen Veit Jeanette Wink Siggi Kemmler Andrew Polestra Brian Cagle David Truog Ed David Gerhard Schwarzer THANK YOU! - Fraser and Dr. Pamela We've added a new...
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Travelers in the Night Eps. 721 & 722: Eric’s Night & Close
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: - Asteroid hunters are developing the equipment and skills which enable them to predict the impact of tiny space rocks. Thus in the future you may have the opportunity to witness the light show an impactor creates and perhaps even obtain clues which will enable you to find a piece of it on the ground. - Until recently the discovery of very close approaching asteroids was rare, however, due to improvements...
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We’ve celebrated the birth of new stars, but the stellar lifecycle doesn’t end there. Stars like our Sun will spend billions of years fusing together hydrogen and pumping out energy. And when the fuel runs out, their death is as interesting as their birth. This week Fraser and Pamela trace out this stellar evolution, and explain what the future holds for stars, large and small.
[Editor’s Note: I don’t think the 16 kilobit, 3 to 4 MB version of episodes that Fraser referred to in the show is still a feature in our website. You can download a 44.1/16 bit stereo .mp3 file, though, which will be approximately 13 MB in size.]
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