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Astronomy Cast

Astronomy Cast

By: Fraser Cain and Dr. Pamela Gay
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Summary

 Take a fact-based journey through the cosmos. Tune in to hear weekly discussions on astronomical topics ranging from planets to cosmology. Hosted by Fraser Cain (Universe Today) and Dr. Pamela L. Gay (Planetary Science Institute), this show brings the questions of an avid astronomy lover direct to an astronomer. Together Fraser and Pamela explore what is known and being discovered about the universe around us. Astronomy Cast is supported thru patreon.com/AstronomyCast.Creative Commons License: Attribution 4.0 International Astronomy Astronomy & Space Science Nature & Ecology Science
Episodes
  • Ep. 792: Star Wars Science

    Ep. 792: Star Wars Science
    May 4 2026
    Astronomy Cast Ep. 792: Star Wars Science By Fraser Cain & Dr. Pamela Gay Streamed live April 29, 2026. May the fourth be with you! Isn't that what people say on the international holiday known as Star Wars Day? Today we're gonna talk about the science in everyone's favorite sci-fi fantasy stories. Which of it is real, and which is essentially magic? Let's find out! Let's look at the science of a galaxy long ago and far away. (Did you just hear the theme music in your head? We heard it start in our head!) This show is supported through people like you on Patreon.com/AstronomyCast In this episode, we'd like to thank: Andrew Poelstra, Burry Gowen, David, David Rossetter, Ed, Eric Lee, Gerhard Schwarzer, Jason Kwong, Jeanette Wink, Joe McTee, Michael Purcell, Sergey Manouilov, Siggi Kemmler
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    40 mins
  • Ep. 791: Chang'e Sample Return

    Ep. 791: Chang'e Sample Return
    Apr 27 2026
    Astronomy Cast Ep. 791: Chang'e Sample Return By Fraser Cain & Dr. Pamela Gay Streamed live on Apr 20, 2026. Last week we talked about samples from other worlds delivered to Earth by meteorites. But sometimes you've gotta do the job yourself. Visit the far off place and bring the samples home. And today we're gonna talk about China's Chang'e sample return program. How they've delivered rocks from different parts of the Moon, and how this sets the stage for their upcoming human lunar missions. The Chinese space program is step by step testing the technologies necessary for humanity to return to the surface of the Moon. From orbiting comms satellites, to landing sample return missions, the Chang`e missions are exploring new places in new ways. In today's episode, we discuss the Chang`e 6 sample return. This show is supported through people like you on Patreon.com/AstronomyCast In this episode, we'd like to thank: Andrew Poelstra, Burry Gowen, David, David Rossetter, Ed, Eric Lee, Gerhard Schwarzer, Jason Kwong, Jeanette Wink, Joe McTee, Michael Purcell, Sergey Manouilov, Siggi Kemmler
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    33 mins
  • Ep. 790: Meteorites From Other Worlds

    Ep. 790: Meteorites From Other Worlds
    Apr 20 2026
    Astronomy Cast Ep. 790: Meteorites From Other Worlds By Fraser Cain & Dr. Pamela Gay Streamed live April 17, 2026. Even though humanity has returned samples from a fraction of the worlds in the solar system, the cosmos has delivered many more without us having to lift a finger. Meteorites. We have meteorites from the Moon, Vesta and even Mars! What have we learned about these rocks from other worlds? Space missions to other worlds cost millions to billions of dollars, and if we want to know exactly where space rock samples come from, we need to spend the big bucks for sample return. But, if it's good enough to know "this rock came from somewhere on that world," space offers an amazing delivery system in the form of meteorites. Come learn about the search for, identification, and science of meteorites from other worlds. This show is supported through people like you on Patreon.com/AstronomyCast !!! In this episode, we'd like to thank: Andrew Poelstra, Burry Gowen, David, David Rossetter, Ed, Eric Lee, Gerhard Schwarzer, Jason Kwong, Jeanette Wink, Joe McTee, Michael Purcell, Sergey Manouilov, and Siggi Kemmler
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    34 mins
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