The 365 Days of Astronomy

By 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 ... more

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The podcast currently has 4,087 episodes available.

Best of The 365 Days of Astronomy

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Number 1: Ask A Spaceman Ep. 279: What Can We Actually Find on an Exoplanet?
Mapping Alien Worlds! Hosted by Dr. Paul M. Sutter. Just how hard are exoplanets observations? What kind of telescope will it take to find life? And how much information can we get out of a single pixel of light? 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 cosmology coming to #AskASpaceman for COMPLETE KNOWLEDGE OF TIME AND SPACE! Big thanks to my top Patreon supporters this month: Justin G, Chris L, Alberto M, Corey D, Michael P, Naila, Sam R, Joshua, Scott M, Rob H, Scott M, Louis M, John W, Alexis, Gilbert M, Rob W, Jessica M, Jules R, Jim L, David S, Scott R, Heather, Mike S, Pete H, Steve S, Lisa R, Kevin B, Aileen G, Deb A, Michael J, Phillip L, Steven B, Mark R, Alan B, Craig B, Richard K, Joe R, David P, Justin, Tracy F, Thomas K, James C, Syamkumar M, Homer V, Mark D, Bruce A, Tim Z, Linda C, The Tired Jedi, Bob C, Stephen A, James R, Allen E, Michael S, Sheryl, David W, Chris, Michael S, Erlend A, James D, Karl W, Den K, Edward K, Scott K, Vivek D, M0PPET, Brad, Azra K, Steve R, M D Malahy, Brian O, Alonna M, Joseph B, and Anders J! 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 helps! Thank you! ------------------------------------ Do go visit http://www.redbubble.com/people/CosmoQuestX/shop for cool Astronomy Cast and CosmoQuest t-shirts, coffee mugs and other awesomeness! http://cosmoquest.org/Donate This show is made possible through your donations. Thank you! (Haven't donated? It's not too late! Just click!) ------------------------------------ The 365 Days of Astronomy Podcast is produced by the Planetary Science Institute. http://www.psi.edu Visit us on the web at 365DaysOfAstronomy.org or email us at [email protected].
September 08, 202632min
Number 2: Travelers in the Night Eps. 371 & 372: Kiwi Nights & Close Ones
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 January, 2026. Today's 2 topics: - New Zealand's 4.5 million people are concentrated in three major population centers which to various degrees suffer from the modern plague of light pollution. However, most of New Zealand's large rural areas and land reserves, covering an area as large as the UK, have unpolluted natural night skies. A completely unique place to experience New Zealand's natural night sky is the Aotea-Great Barrier Island International Dark Sky Sanctuary. It encompasses New Zealand's, 110 square mile, sixth largest island, which is located about 62 miles from central Auckland. It is easily accessible by boat or a short airline flight. - In less than 24 hours, while observing with the Catalina Sky Survey's 60 inch telescope on Mt. Lemmon, Arizona, I discovered two 25 foot diameter space rocks that can theoretically pass less than a quarter of the Moon's distance from us. After I posted my discovery observations on the Minor Planet Center's Near Earth Object Confirmation page one of them received immediate attention, as an incoming object, and was tracked by observers at 14 different observatories around the world. Scientists at the Minor Planet Center used these data to calculate its 926 day orbital path around the Sun, estimate its size, and give it the name 2017 TH5. 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 helps! Thank you! ------------------------------------ Do go visit http://www.redbubble.com/people/CosmoQuestX/shop for cool Astronomy Cast and CosmoQuest t-shirts, coffee mugs and other awesomeness! http://cosmoquest.org/Donate This show is made possible through your donations. Thank you! (Haven't donated? It's not too late! Just click!) ------------------------------------ The 365 Days of Astronomy Podcast is produced by the Planetary Science Institute. http://www.psi.edu Visit us on the web at 365DaysOfAstronomy.org or email us at [email protected].
August 30, 20267min
Number 3: Astronomy Cast Ep. 801: The Beginning & End of Everything - Part 2
https://www.youtube.com/watch?v=jFzHdB1nM9Y - With credits added. Streamed live on Sep 7, 2026. Hosted by: Fraser Cain (@frasercain) and Dr. Pamela L. Gay (@CosmoQuest) This show is supported through people like you on Patreon.com/AstronomyCast Today we do the sequel to our 2-part series. We jump to the end of the Universe, and all the major moments that will occur from now until the heat death of the Universe. The end of everything. - The fate & future of the Milky Way - Cosmic isolation - The cosmic microwave background - The end of star formation - The degenerate era - Proton decay and entropy - Black hole evaporation & entropy - Alternate endings, cosmic rip, new beginnings - Closing thoughts and updates 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 helps! Thank you! ------------------------------------ Do go visit http://www.redbubble.com/people/CosmoQuestX/shop for cool Astronomy Cast and CosmoQuest t-shirts, coffee mugs and other awesomeness! http://cosmoquest.org/Donate This show is made possible through your donations. Thank you! (Haven't donated? It's not too late! Just click!) ------------------------------------ The 365 Days of Astronomy Podcast is produced by the Planetary Science Institute. http://www.psi.edu Visit us on the web at 365DaysOfAstronomy.org or email us at [email protected].
September 21, 202639min
Number 4: Deep Astronomy - The Triangulum Galaxy: The Most Distant Naked Eye Object
https://www.youtube.com/watch?v=VmzJj2i81H0 Hosted by Tony Darnell. From Nov 7, 2017. Have you ever wondered what the most distant object we can see with our naked eyes is? The answer is The Triangulum Galaxy some three million light years from Earth. This galaxy, along with the Great Andromeda Galaxy will collide with our Milky Way in about four billion years. This galaxy collision will herald in a new era for our home galaxy The Milky Way. We will transform into an entirely new galaxy with billions more stars. If you like this content, please consider supporting Deep Astronomy on Patreon! Created with Stellarium Open Source Software: http://www.stellarium.org/ Original Music - Mark C. Petersen, Lochness Productions: https://www.lochnessproductions.com/ 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 helps! Thank you! ------------------------------------ Do go visit http://www.redbubble.com/people/CosmoQuestX/shop for cool Astronomy Cast and CosmoQuest t-shirts, coffee mugs and other awesomeness! http://cosmoquest.org/Donate This show is made possible through your donations. Thank you! (Haven't donated? It's not too late! Just click!) ------------------------------------ The 365 Days of Astronomy Podcast is produced by the Planetary Science Institute. http://www.psi.edu Visit us on the web at 365DaysOfAstronomy.org or email us at [email protected].
September 16, 20267min
Number 5: Big Impact Astronomy - Inspiring the World Through Astronomy With Dr. Kelly Blumenthal
https://www.youtube.com/watch?v=R6lOpIWbly4 From July 23, 2026. Hosted by Mike Simmons. Episode 19. https://astro4equity.org - Visit our website! Dr. Kelly Blumenthal is an astrophysicist and science communicator who has lived in and worked with many communities across the United States and worldwide. These experiences have shaped Kelly's perspectives on the importance of astronomy communication in building STEM opportunities for under-resourced people worldwide and its role in science generally. Kelly is now the director of the International Astronomical Union's Office of Astronomy Outreach (OAO), hosted by the National Astronomical Observatory of Japan in Tokyo. The Office is represented by its network of National Outreach Coordinators in more than 100 countries. In this episode, Kelly shared her experience working as an astrophysicist and how she became the OAO's Director, the importance of science communication, dark skies, and the development of AstroACCEL. The Role of Astronomy in Science Communication: 0:00 Engaging Communities Through Astronomy Outreach: 5:44 Professional Development in Astronomy Communication: 9:02 The Importance of Conferences in Astronomy Outreach: 11:18 Case Studies in Astronomy Education: 13:20 Astronomy as a Gateway to STEM: 18:10 Highlighting Women in Astronomy: 23:40 Protecting Our Dark Skies: 27:49 Engaging Youth in Astronomy Education: 32:20 Bridging Gaps in Astronomy Communication: 34:32 Personal Journeys in Astronomy: 41:22 Navigating Challenges in Astronomy Careers: 53:10 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 helps! Thank you! ------------------------------------ Do go visit http://www.redbubble.com/people/CosmoQuestX/shop for cool Astronomy Cast and CosmoQuest t-shirts, coffee mugs and other awesomeness! http://cosmoquest.org/Donate This show is made possible through your donations. Thank you! (Haven't donated? It's not too late! Just click!) ------------------------------------ The 365 Days of Astronomy Podcast is produced by the Planetary Science Institute. http://www.psi.edu Visit us on the web at 365DaysOfAstronomy.org or email us at [email protected].
September 09, 202652min