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Astronomy Cast Ep. 166: Multiverses

The 365 Days of Astronomy

Release Date: 08/01/2022

Actual Astronomy - The Observer’s Calendar for April 2026 show art Actual Astronomy - The Observer’s Calendar for April 2026

The 365 Days of Astronomy

Hosted by Chris Beckett & Shane Ludtke, two amateur astronomers in Saskatchewan who enjoy teaching astronomy classes and showing the public views through their telescopes.   This month in episode 528 we talk about 3 Comets, two of which may end up being very bright. We also touch on some colorful double and carbon stars. There are many spring spirals we help listeners find as well as the Lyrid Meteor shower. This month the Moon pairs with Spica, Antares and the planets and at mid-Month a very young moon is visible for some listeners.   Gamma Leonis - Colorful double star 02 -...

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Guide To Space - Project Artemis: NASA's Plans To Return To The Moon By 2024 show art Guide To Space - Project Artemis: NASA's Plans To Return To The Moon By 2024

The 365 Days of Astronomy

Hosted by Fraser Cain. From May 21, 2019. On Monday, May 13, 2019, NASA declared: “We are going to the Moon to stay” by 2024. It’s an exciting announcement; the return to a place humans haven’t set foot on in more than 45 years. A serious goal that will test the ability of technology and engineering, as well as the bravery of the men and women who will carry out this task.   But we’ve also heard announcements like this before, many times. How will the mission come together? What are the risks? What’s new this time?    We've added a new way to donate to 365 Days of...

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Had Astra Historia - Ep 302 – Take the Gloves Off, Part II show art Had Astra Historia - Ep 302 – Take the Gloves Off, Part II

The 365 Days of Astronomy

Today’s guest: Dr. Richard Tresch Fienberg, astronomer and science communicator, recently served as the Expert Astronomer for Sky & Telescope’s September 2025 Astronomy Tour. In our interview, we explore “Galileo’s Italy” with him. Though enjoying retirement, he volunteers his time for the American Astronomical Society as Senior Advisor to the CEO, and is a Senior Contributing Editor with Sky & Telescope. This is the second of two episodes covering our interview.   H’ad astra historia is the official podcast for the Historical Astronomy Division () of the American...

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Astronomy Cast Ep. 788: Life’s Molecules Form in Space show art Astronomy Cast Ep. 788: Life’s Molecules Form in Space

The 365 Days of Astronomy

Hosted by: Fraser Cain ( ) and Dr. Pamela L. Gay ( ) Streamed live on Mar 23, 2026. The theory of evolution how life takes on its wildly different forms. But how did life get started in the first place? It appears the Universe has been making life’s molecules in space for billions of years, setting up the conditions for life… everywhere? One of humanity's fundamental questions is "where does life come from." We can't answer that question, but we can tell you where some of the stuff of life came from.   This show is supported through people like you on...

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Travelers in the Night Eps. 867 & 868: Daytime Fireball & Inside Venus show art Travelers in the Night Eps. 867 & 868: Daytime Fireball & Inside Venus

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. From September 2025. Today's 2 topics: - Dr. Bill Cooke of NASA’s Meteoroid Environment Office reports that on June 26, 2025 shortly after noon a beachball sized meteoroid traveling at approximately 30,000 miles per hour broke up about 27 miles above the town of West Forrest, Georgia.   - Astronomers have discovered some 1.4 million asteroids. Approximately 35,000 of these space rocks come near Earth. Less than 40 of...

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The Cosmic Savannah - Ep. 80 The MIGHTEE MeerKAT's View of the Universe show art The Cosmic Savannah - Ep. 80 The MIGHTEE MeerKAT's View of the Universe

The 365 Days of Astronomy

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EVSN - Pretty Pictures & Ugly Artemis News show art EVSN - Pretty Pictures & Ugly Artemis News

The 365 Days of Astronomy

From March 18, 2026. This episode went through a lot of rewrites as breaking news kept breaking our hearts. Artemis is still on, but there are delays and cancellations. Before we face that, let’s look at some pretty pictures and remember the universe is pretty even when our Earthly-timeline is not.   JWST Wolf-Rayet stars pix:  Exposed Cranium Nebula:   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...

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Cosmic Perspective - Don Pettit Interview show art Cosmic Perspective - Don Pettit Interview

The 365 Days of Astronomy

Hosted and sponsored by Andy Poniros. Veteran of more than 590 days in space on Shuttle, Soyuz, & ISS missions NASA Astronaut, Don Pettit. Don discusses his space missions, the upcoming Artemis II mission, as well as his amazing inventions & photography from space.    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! ------------------------------------ Do go...

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Cheap Astronomy - Dear CA Ep. 132: Mining Again show art Cheap Astronomy - Dear CA Ep. 132: Mining Again

The 365 Days of Astronomy

Hosted by Steve Nerlich. Bringing it home. Cheap Astronomy digs in to asteroid mining. Dear Cheap Astronomy – Are rubble pile asteroids easier to mine? Rubble pile asteroids are a collection of rocks that have accreted together under their mutual gravity, but the object they form isn’t massive enough for gravity to compress it into one unified object. Instead, the rocks that gather together remain as individual rocks. So, from a mining perspective there’s an advantage in that you can just pick up those individual rocks without needing drilling or explosives.    Dear Cheap...

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Awesome Astronomy - Artemis II Helium Boogaloo show art Awesome Astronomy - Artemis II Helium Boogaloo

The 365 Days of Astronomy

Paul Hill & Dr. Jenifer “Dr. Dust” Millard host.  Damien Phillips, John Wildridge and Dustin Ruoff produce. Our chatty astrowaffle episode this month (March Part 2) is all about the Artemis re-jig and what the future now holds for the program. Oh, and an update on Jeni’s drains. Cafuego’s Jellyfish:   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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More Episodes

From November 30, 2009.

What if our Universe was just one in an infinite number of parallel universes; a possible outcome from the specific predictions of quantum mechanics. The idea of multiple universes is common in science fiction, but is there any actual science to back this theory up?

 

The Wikipedia nomenclature note from Pamela:

“Because, in the English-speaking world, the latter sounds like "your anus", the former pronunciation also saves embarrassment: as Pamela Gay, an astronomer at Southern Illinois University Edwardsville, noted on her podcast, to avoid "being made fun of by any small schoolchildren ... when in doubt, don't emphasize anything and just say /ˈjʊərənəs/. (You’re in us.) And then run, quickly."[42]

 

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!

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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 info@365DaysOfAstronomy.org.