Astronomy Cast – Details, episodes & analysis
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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.
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See all- http://cosmoquest.org/Donate
749 shares
- http://www.psi.edu
500 shares
- https://www.patreon.com/astronomycast
127 shares
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Good
Score global : 73%
Publication history
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Episodes published by month in
Ep. 796: Oceans & Organics on Mars
Season 19 · Episode 796
lundi 8 juin 2026 • Duration 30:35
Astronomy Cast Ep. 796: Oceans & Organics on Mars By Fraser Cain & Dr. Pamela Gay Streamed live on Jun 1, 2026. Mars is cold & dry today, but the evidence is growing that it used to be warmer & wetter. with seas & oceans that covered large parts of its surface. With the additional findings of the chemicals for life, the search for life on Mars is getting pretty interesting! New results from Perseverance and Curiosity describe a past Mars with complex chemistry and water. But did it have life? Background image credit: Kevin Gill 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
Ep. 795: Expanse Science
Season 19 · Episode 795
lundi 1 juin 2026 • Duration 32:29
Astronomy Cast Ep. 795: Expanse Science By Fraser Cain & Dr. Pamela Gay Streamed live on May 10, 2026. This is the final episode of our series on sci-fi universes. And this week we will tackle "The Expanse". Now we've got fusion drives, Proto-matter, g-forces! Listen up, belta lawda! Let's look at the science of our own possible (with a side of aliens) future. 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
Ep. 786: Wolf-Rayet Stars
Season 19 · Episode 786
lundi 16 mars 2026 • Duration 34:28
Astronomy Cast Ep. 786: Wolf-Rayet Stars By Fraser Cain & Dr. Pamela Gay Streamed live on Mar 9, 2026. You think the Sun is a terrifying ball of fire and fury? Wait until you learn about today's topic: Wolf-Rayet stars! These are massive, dying stars hurling their outer layers out into space before detonating as supernovae. Big stars live brief lives, and Wolf-Rayet stars are the punctuation mark we see before things go supernova. Image Credit: NASA, ESA, CSA, STScI; Science: Yinuo Han (Caltech), Ryan White (Macquarie University); Image Processing: Alyssa Pagan (STScI) Learn more here: https://science.nasa.gov/asset/webb/w... This show is supported through people like you on Patreon.com/AstronomyCast In this episode, we'd like to thank: Burry Gowen, Eric Lee, Jeanette Wink, Michael Purcell, Andrew Poelstra, David, David Rossetter, Ed, Gerhard Schwarzer, Jason Kwong, Joe McTee, Sergey Manouilov, Siggi Kemmler, Sergio Sancevero
Ep. 698: Insights Into the Universe
Season 17 · Episode 698
lundi 20 novembre 2023 • Duration 31:44
Astronomy Cast Ep. 698: Insights Into the Universe by Fraser Cain & Dr. Pamela Gay From Nov 5, 2023. How the time flies. It's been over a year since JWST went operational, with other missions joining the fun. What new insights have we gained about the Universe thanks to these powerful new tools? Recorded live during the @CosmoQuestX 2023 Hangout-a-Thon on November 5. This video was made possible by the following Patreon members: Jordan Young Stephen Veit Jeanette Wink Siggi Kemmler Andrew Poelstra Ed BogieNet Brian Cagle David Truog Gerhard Schwarzer David THANK YOU! - Fraser and Dr. Pamela
Ep. 697: Mission Roll Call Part 6: The Outer Solar System and Beyond
Season 17 · Episode 697
lundi 13 novembre 2023 • Duration 30:45
Astronomy Cast Ep. 697: Mission Roll Call Part 6: The Outer Solar System and Beyond by Fraser Cain & Dr. Pamela Gay Streamed live November 4th, 2023.. Finally, we reach the end of our tour through the missions in the Solar System. Out beyond Mars, to Jupiter, the Kuiper Belt and Beyond. This video was made possible by the following Patreon members: Jordan Young Stephen Veit Jeanette Wink Siggi Kemmler Andrew Poelstra Ed BogieNet Brian Cagle David Truog Gerhard Schwarzer David THANK YOU! - Fraser and Dr. Pamela
Ep. 696: Mission Roll Call Part 5: The Science at Mars
Season 17 · Episode 696
lundi 6 novembre 2023 • Duration 40:17
Astronomy Cast Ep. 696: Mission Roll Call Part 5: The Science at Mars by Fraser Cain & Dr. Pamela Gay Streamed live on Oct 30, 2023. Another week, another review of space missions in the Solar System. Today we set our sights on the red planet. What are all the active missions at Mars today? This video was made possible by the following Patreon members: Stephen Veit Jordan Young Jeanette Wink Andrew Poelstra Brian Cagle David Truog BogieNet Gerhard Schwarzer David THANK YOU! - Fraser and Dr. Pamela
Ep. 695: Mission Roll Call Part 4: Lunar Exploration
Season 17 · Episode 695
lundi 30 octobre 2023 • Duration 35:46
Astronomy Cast Ep. 695: Mission Roll Call Part 4: Lunar Exploration by Fraser Cain & Dr. Pamela Gay Streamed live on Oct 23, 2023. Our journey through missions continues, this time we focus on the Moon. There are many nations on the Moon, near the Moon, around the Moon, traveling to the Moon. It's a lot. We'll talk about it today. This video was made possible by the following Patreon members: Stephen Veit Jordan Young Jeanette Wink Andrew Poelstra Brian Cagle David Truog BogieNet Gerhard Schwarzer David THANK YOU! - Fraser and Dr. Pamela
Ep. 694: Mission Roll Call Part 3: Sun, Mercury, and Venus
Season 17 · Episode 694
lundi 23 octobre 2023 • Duration 33:54
Astronomy Cast Ep. 694: Mission Roll Call Part 3: Sun, Mercury, and Venus by Fraser Cain & Dr. Pamela Gay Streamed live on Oct 16, 2023. Our journey through space missions continues. Now we move away from the Earth to the rest of the solar system. What's out there orbiting, roving and flying on other worlds and in interplanetary space. Today we look inward and we'll talk about the missions studying the Sun, Mercury and Venus. Thank you to all of our patrons who allow us to do this! This week I'd like to thank Jeremy Kerwin, Stuart Mills, Slug!, Harold Bardenhogan, Matthew Horstman, Kimberly Reich, Georgie Ianov, Scott Bieber, Jim Schooler. Marco Yarasi, David Gates, Alex Cohen, Justin Proctor, Claudia Mastriani, Scott Cohen, Disastrina, Kinsaya Pianflinko, Mathias Hayden, The Big Squish Squash!, Tim Garish, Gregory Singleton, Tim McMackin, Jeff Wilson Cooper, Paul D Disney, Benjamin Mueller, Ninja Nick, Kenneth Ryan, Eran Segev, Scott Briggs and Bruce Amazine. Thank you all so much!
Ep. 693: Mission Roll Call Part 2: Looking Outward from Earth
Season 17 · Episode 693
lundi 16 octobre 2023 • Duration 29:55
Astronomy Cast Episode 693: Mission Roll Call, Part 2: Looking Outward from Earth by Fraser Cain & Dr. Pamela Gay Streamed live on Oct 9, 2023. Last week, we brought you up to speed on the spacecraft which are helping to study Earth from above. Many of our missions are in Earth orbit but looking outward to study the Universe. Today, we'll talk about the missions close to home, helping us understand our place in the cosmos. This video was made possible by the following Patreon members: Stephen Veit Jordan Young Jeanette Wink Andrew Poelstra Brian Cagle David Truog BogieNet Gerhard Schwarzer David THANK YOU! - Fraser and Dr. Pamela
Ep. 692: Mission Roll Call Part 1: Earth Orbit
Season 17 · Episode 692
lundi 9 octobre 2023 • Duration 29:36
Astronomy Cast Ep. 692: Mission Roll Call Part 1: Earth Orbit by Fraser Cain & Dr. Pamela Gay It's time for another series! This time we're gonna look at the missions that're currently in place across the solar system. Today we'll start with the key missions here on Earth, studying the planet from above and looking out into the Universe.
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