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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

12:22

NOIRLab - The Start of the LSST

The 365 Days of Astronomy ·

2026/08/08

Hosted by Rob Sparks. The 10-year Legacy Survey of Space and Time has officially started, marking the beginning of a new era in astronomy and astrophysics. Over the next ten years, Rubin will relentlessly observe the entire southern sky every few nights to create an ultra-wide, ultra-high-definition time-lapse record of our Universe. This long-awaited milestone is the culmination of years of effort by thousands of people around the world. In this podcast, Dr. Christina Williams and Dr. Yumi Choi

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52:12

EVSN - After Hours: Space Rocks Collected for Science...

The 365 Days of Astronomy ·

2026/08/07

From July 15, 2026. Hosted by: Dr. Pamela L. Gay (@CosmoQuest) Our solar system readily provides us with free samples of other worlds in the form of meteorites. The trick comes in first recognizing them, and then in understanding what science is locked in their minerals. One major center for collecting and studying these space rocks is Arizona State University's Buseck Center for Meteorite Studies which houses the Carleton B. Moore Meteorite Collection. Join us as we discuss the collection with

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27:49

Actual Astronomy - The Observer's Calendar for August...

The 365 Days of Astronomy ·

2026/08/06

Hosted by Chris Beckett & Shane Ludtke, two amateur astronomers in Saskatchewan who enjoy teaching astronomy classes and showing the public views through their telescopes. actualastronomy@gmail.com Episode 545 of the Actual Astronomy podcast features hosts Chris and Shane discussing the observer's calendar and planetary visibility for August 2026. Throughout the month, skywatchers can track key planetary positions, including Venus in the morning sky and Jupiter rising around 3:00 AM. Notable

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25:18

Ask A Spaceman Ep. 277: What's It Like to Travel Near...

The 365 Days of Astronomy ·

2026/08/05

Life at lightspeed! Hosted by Dr. Paul M. Sutter. What does high-speed motion through the Universe do to your perspective? What is the Rindler horizon, and how does it appear? Would you get vaporized by a high-energy bath of radiation? 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

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01:13:21

Awesome Astronomy - August Part 2: Jodrell Bank...

The 365 Days of Astronomy ·

2026/08/04

Paul Hill and Dr. Jenifer "Dr. Dust" Millard host. Damien Phillips, John Wildridge and Dustin Ruoff produce. Angry episode where Paul and Jeni have their blood boiled by the decision to defund Jodrell Bank Observatory and the plans to launch over a million satellites, thousands of which will be brighter then the full moon! 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

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31:34

Astronomy Cast Ep. 85: Detectors

The 365 Days of Astronomy ·

2026/08/03

http://www.astronomycast.com/archive/ Hosted by: Fraser Cain (@frasercain) and Dr. Pamela L. Gay (@CosmoQuest) From April 21, 2008. Our senses can only detect a fraction of the phenomena happening in the Universe. That's why scientists and engineers develop detectors, to let us see radiation and particles that we could never detect with our eyes and ears. This week we'll go through them all, so you can understand how we see what we can't see. We've added a new way to donate to 365 Days of

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06:05

Travelers in the Night Eps. 363E & 364E: House Sized...

The 365 Days of Astronomy ·

2026/08/02

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 November 2025. Today's 2 topics: - Throughout history small close approaching space rocks have been a part of our environment. Now, thanks to improved telescopes and cameras, asteroid hunters are routinely discovering these small asteroids as they pass closer than the Moon is to us. Since

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08:14

Space Stories - Betelgeuse Was Never Alone

The 365 Days of Astronomy ·

2026/08/01

Hosted by Avivah Yamani, our Director! Was Betelgeuse ever truly alone? For over 100 years, astronomers searched for a hidden companion to Orion's famous red supergiant. Now, new observations from ESO's Very Large Telescope have revealed the clearest evidence yet that Betelgeuse has a stellar companion. Discover the science, the mystery, and why this finding is changing our understanding of one of the sky's most famous stars. We've added a new way to donate to 365 Days of Astronomy to support

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22:58

EVSN - Betelgeuse Smaller Than Previously Calculated,...

The 365 Days of Astronomy ·

2026/07/31

From February 10, 2021. Hosted by Dr. Pamela L. Gay. Scientists collected fresh data on Orion's bright star Betelgeuse to try and understand this star that caused so much controversy. They found it's smaller than previously calculated, and last year's dimming was likely caused by dust, but it's also more complex than thought. Plus, galaxies, Earth's forests, ice on Mars, and Saturn's moon Rhea. We've added a new way to donate to 365 Days of Astronomy to support editing, hosting, and production

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07:00

UNAWE Space Scoop - A Blazing Hot World With A...

The 365 Days of Astronomy ·

2026/07/30

https://spacescoop.org/en/scoops/2608/a-blazing-hot-world-with-a-buzzing-secret/ Hosted by our editor, Richard Drumm. Far, far away from Earth, over 300 light-years away, is an incredible exoplanet called WASP-189b, in the constellation Libra, the scales. It lies a bit to the NW of Beta Librae, or Zubeneschamali, and almost exactly due north of the Libra star with my favorite star name: Zubenelgenubi! WASP-189 is the star & 189b is the planet. It has about twice Jupiter's mass and about 1 1/2

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08:18

Guide To Space - Betelgeuse Is Still Dimming! And We...

The 365 Days of Astronomy ·

2026/07/29

https://www.youtube.com/watch?v=gC4LEozmqXE From Feb 16, 2020. Hosted by Fraser Cain. Near the end of 2019, astronomers watching the red giant Betelgeuse noted how much the star had dimmed, continuing to steadily fade for months. It's a variable star, and it's known to get dimmer and brighter, but the big surprise is that it's still continuing to dim, recently passing magnitude 1.56 and still getting dimmer. This is unprecedented in the decades that astronomers have been watching the star. The

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01:10:27

Awesome Astronomy - Eclipse Girl Summer!

The 365 Days of Astronomy ·

2026/07/28

July Part 2! Paul Hill & Dr. Jenifer "Dr. Dust" Millard host. Damien Phillips, John Wildridge and Dustin Ruoff produce. Summer is here, so is the heat and so is the Eclipse! Chat, tips and hints about August's Eclipse and the Perseid meteor shower, as well as summer vibes, emails and Jeni dressing up as Max Wall. Link: https://github.com/marcel-jan/inkystarmap 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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30:52

Astronomy Cast Ep. 89: Adaptive Optics

The 365 Days of Astronomy ·

2026/07/27

http://www.astronomycast.com/archive/ Hosted by: Fraser Cain (@frasercain) and Dr. Pamela L. Gay (@CosmoQuest) From May 19, 2008. Since the dawn of humanity, astronomers have wished to destroy the atmosphere. Oh sure, it's what we breathe and all, but that stupid atmosphere is always getting in the way. Since destroying the atmosphere is out of the question, astronomers have figured out how to work with it. To distort the mirror of the telescope itself though the magic of adaptive optics. We've

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06:05

Travelers in the Night Eps. 361E & 362E: Newest Moon...

The 365 Days of Astronomy ·

2026/07/26

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 November 2025. Today's 2 topics: - The moon cycle from new moon through full moon and back to new moon again was used by many nations to regulate their activities and forms the basis of the Islamic lunar calendar. A calendar based on the first visibility of the lunar crescent is difficult to

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39:15

The Cosmic Savannah Ep. 84: Celebrating 10 Years of IDIA

The 365 Days of Astronomy ·

2026/07/25

Hosted by Dr. Jacinta Delhaize, Dr. Tshiamiso Makwela, Dr. Daniel Cunnama & François Campher. In this special episode of The Cosmic Savannah, we celebrate the 10th anniversary of IDIA(Inter-University Institute for Data Intensive Astronomy) with three very special guests: the new director Professor Roger Deane, astronomy support specialist Walter Silima, and head of outreach and development Associate Professor Sally McFarlane. We've added a new way to donate to 365 Days of Astronomy to support

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09:13

EVSN - Black Holes, Giant Galaxies & A Baby Planet

The 365 Days of Astronomy ·

2026/07/24

From May 21, 2020. Hosted by Dr. Pamela L. Gay. Join us today as we discuss the impressive work by an undergraduate student who figured out how galaxy mergers influence the growth of supermassive black holes. We talk about a gigantic galaxy found in the early Universe. And finally, we look at amazing images of a planet being formed around a distant star. 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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51:30

Actual Astronomy - Messier Objects For July 2026

The 365 Days of Astronomy ·

2026/07/23

Hosted by Chris Beckett & Shane Ludtke, two amateur astronomers in Saskatchewan who enjoy teaching astronomy classes and showing the public views through their telescopes. actualastronomy@gmail.com Description: This month we talk about some of the globular clusters from the Messier catalogue you can easily see on summer nights. From big and bright M5 and M4 to small and mighty M80 we talk about viewing some of the best globular clusters of the year. We also talk about a large, faint face on spiral

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08:20

Guide To Space - Where Are All The Alien Robots? The...

The 365 Days of Astronomy ·

2026/07/22

https://www.youtube.com/watch?v=vHMIv_zAbrM From Oct 6, 2016. Hosted by Fraser Cain. As you know, I'm obsessed about the Fermi Paradox. Where are all the aliens? But an even stranger question is: where are all the robot aliens? If you've seen at least one other episode of the Guide to Space, you know I'm obsessed about the Fermi Paradox. This idea that the Universe is big and old, and should be teeming with life. And yet, we have no evidence that it exists out there. We wonder, where are all the

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28:53

Ask A Spaceman Ep. 276: What Would Happen if the...

The 365 Days of Astronomy ·

2026/07/21

Solar Apocalypse! Hosted by Dr. Paul M. Sutter. What really keeps the Sun shining? How long would it stay warm if fusion stopped? How long would it take before we noticed? 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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36:41

Astronomy Cast Ep. 58: Inflation

The 365 Days of Astronomy ·

2026/07/20

http://www.astronomycast.com/archive/ From October 15, 2007. Hosted by: Fraser Cain (@frasercain) and Dr. Pamela L. Gay (@CosmoQuest) We interrupt this tour through the solar system to bring you a special show to deal with one of our most complicated subjects: the big bang. Specifically, how it's possible that the universe could have expanded faster than the speed of light. The theory is called the inflationary theory, and the evidence is mounting to support it. Einstein said that nothing can move

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