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PODCAST

Astronomy Cast

Fraser Cain and Dr. Pamela Gay

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.

science astronomy

All Episodes

25:15

Ep. 173: Herschel Space Observatory - REMASTER

Astronomy Cast ·

2024/08/26

Astronomy Cast Ep. 173: Herschel Space Observatory - REMASTER By Fraser Cain & Dr. Pamela Gay From January 18, 2009. Last week we talked about Herschel the people – William Herschel, his sister Caroline, and his son John. This week we look at the Herschel Space Observatory, a mission launched in 2009 to reveal the coldest and dustiest regions in the Universe.

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25:33

Ep. 172: William Herschel - REMASTER

Astronomy Cast ·

2024/08/19

Astronomy Cast Ep. 172: William Herschel - REMASTER By Fraser Cain & Dr. Pamela Gay From January 11, 2010. Ancient astronomers knew of 5 planets, Mercury, Venus, Mars, Jupiter and Saturn – 6 if you count Earth. And then in 1781, William Herschel discovered an entirely new planet, Uranus, boosting the number of planets to 7. Let’s learn about Herschel, his equipment, his discoveries, and his sister Caroline – an accomplished astronomer all on her own!

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32:42

Ep. 88 - The Hubble Space Telescope - REMASTER

Astronomy Cast ·

2024/08/12

Astronomy Cast Ep. 88 - The Hubble Space Telescope - REMASTER By Fraser Cain & Dr. Pamela Gay From May 12, 2008. Our understanding of the cosmos has been revolutionized by the Hubble Space Telescope. The breathtaking familiar photos, like the Pillars of Creation, pale in comparison to the astounding amount of science data returned to Earth. Hubble’s getting old, though, serviced several times already, and due for another mission later this year. Let’s relive the historic observatory’s amazing life

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26:47

Ep. 162: Edwin Hubble - REMASTER

Astronomy Cast ·

2024/08/05

Astronomy Cast Ep. 162: Edwin Hubble - REMASTER By Fraser Cain & Dr. Pamela Gay From November 2, 2009. You might know the name “Hubble” because of the Hubble Space Telescope. But this phenomenal observatory was named after one of the most influential astronomers in modern history. Hubble discovered that galaxies are speeding away from us in all directions, leading to our current understanding of an expanding Universe. Let’s learn about the man behind the telescope.

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29:28

Ep. 219 - Planck Mission - REMASTER

Astronomy Cast ·

2024/07/29

Astronomy Cast Ep. 219 - Planck Mission - REMASTER By Fraser Cain & Dr. Pamela Gay From February 7, 2011. Another mission named after a famous physicist. This time we’re looking at the Planck mission, designed to study the Cosmic Microwave Background Radiation over the entire sky. Like the previous WMAP mission, this will help astronomers understand the first moments after the Big Bang. This Episode is made possible thanks to our Patrons on Patreon. Join at the Galaxy Group level or higher to be

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28:56

Ep. 218 REMASTER - Max Plank

Astronomy Cast ·

2024/07/22

Astronomy Cast - Ep. 218 REMASTER - Max Plank By Fraser Cain & Dr. Pamela Gay From Jan 31, 2011. It’s time for another action-packed double episode, where we meet a man and his mission. This time around its German physicist Max Planck, considered to be the father of quantum theory – he was later granted a Nobel Prize for just that discovery. Let’s take a trip back just over 100 years to learn about the man who changed our understanding of the very small.

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21:02

Bonus Content: The week of too much news

Astronomy Cast ·

2024/07/15

In this bonus episode, we bring you behind the scenes audio from our June 10 pre-show discussion about the “far too much news” that occurred the week of June 3, 2024.

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33:48

Ep. 725: Looking Ahead

Astronomy Cast ·

2024/07/01

Streamed live on Jun 24, 2024. Normally Pamela refuses to think about the future. But today, on our final episode before hiatus, she’s throwing out those rules. It’s like the PURGE! Here’s what we’re excited about for the future. Especially for the next couple of months until we return in September. This Episode is made possible thanks to our Patrons on Patreon. Join at the Galaxy Group level or higher to be listed in our YouTube videos. From Pamela: I also have a favor to ask - I'm working on a

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31:11

Ep. 724: Summer (Science & Sci Fi) Reads

Astronomy Cast ·

2024/06/24

Astronomy Cast Ep. 724: Summer (Science & Sci Fi) ReadsFraser & Pamela list their favorite books! Take notes! It’s almost time for our summer hiatus. A time to catch up on all that reading. We’ll give you some book recommendations, and what we’re hoping to read during the summer. Streamed live Jun 20, 2024. From Pamela: I also have a favor to ask - I'm working on a research project with my collaborator Sanlyn Buxener on what factors help and hinder people learning and doing science. Can you please

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29:15

Ep. 723: Exoplanets by the Numbers

Astronomy Cast ·

2024/06/17

Astronomy Cast Ep. 723: Exoplanets by the Numbers By Fraser Cain & Dr. Pamela Gay Streamed live on Jun 10, 2024. Astronomers have discovered thousands of exoplanets, revealing entirely new types of worlds that we just don’t have in the solar system. It’s enough to start getting a rough sense of what kinds of planets are out there. What’s the big picture? This Episode is made possible thanks to our Patrons on Patreon. Join at the Galaxy Group level or higher to be listed in our YouTube videos.

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29:48

Ep. 722: Weather on Exoplanets

Astronomy Cast ·

2024/06/10

Astronomy Cast Ep. 722: Weather on Exoplanets By Fraser Cain & Dr. Pamela Gay Streamed live on Jun 3, 2024. Here’s a familiar question: How’s the weather? We’re familiar with the weather on Earth and telescopes and missions are watching the weather on other planets in the Solar System. But for the first time in history, astronomers can now answer that question for exoplanets, located light-years away from us. This Episode is made possible thanks to our Patrons on Patreon. Join at the Galaxy Group

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29:49

Ep. 721: Rogue Planets

Astronomy Cast ·

2024/05/27

Astronomy Cast Ep. 721: Rogue Planets By Fraser Cain & Dr. Pamela Gay Streamed live on May 20, 2024. Most of the exoplanets we’ve found are around stars, where they belong. But a few have been found free-floating in interstellar space. The evidence is growing that there are a lot of them out there, maybe even more than planets with stars. How do they form and how can we learn more about them?

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28:32

Ep. 720: Galaxy Series - Elliptical Galaxies

Astronomy Cast ·

2024/05/20

Astronomy Cast - Ep. 720: Galaxy Series - Elliptical Galaxies by Fraser Cain & Dr. Pamela Gay Streamed live on Apr 30, 2024. Our galaxy series continues with elliptical galaxies. Unlike other types, these are large, smooth with very few distinguishing features. They’re filled with red and dead stars, a clue to their evolution. This video was made possible by the following Patreon members: Jordan Young BogieNet Stephen Veit Jeanette Wink Siggi Kemmler Andrew Poelstra Brian Cagle David Truog Ed

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33:03

Ep. 719: Galaxy Series - Spiral Galaxies

Astronomy Cast ·

2024/05/13

Astronomy Cast Ep. 719: Galaxy Series - Spiral Galaxies by Fraser Cain & Dr. Pamela Gay Streamed live on Apr 30, 2024. Our galaxy series continues, on to spiral galaxies. In fact, you’re living in one right now, but telescopes show us the various shapes and sizes these galaxies come in. Thanks to JWST, we’re learning how these spirals got big, early on in the Universe. This video was made possible by the following Patreon members: Jordan Young BogieNet Stephen Veit Jeanette Wink Siggi Kemmler

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30:57

Ep. 718: Galaxy Series - Dwarf Galaxies

Astronomy Cast ·

2024/05/06

Astronomy Cast Ep. 718: Galaxy Series - Dwarf Galaxies by Fraser Cain & Dr. Pamela Gay Streamed live on Apr 30, 2024. It’s time to begin a new mini-series, where we’ll look at different classes of galaxies. Today, we’ll start with the dwarf galaxies, which flock around larger galaxies like the Milky Way. Are they the building blocks for modern structures? This video was made possible by the following Patreon members: Jordan Young BogieNet Stephen Veit Jeanette Wink Siggi Kemmler Andrew Poelstra

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29:30

Ep. 717: Understanding the Ages of Distant Cosmic...

Astronomy Cast ·

2024/04/29

Astronomy Cast Ep. 717: Understanding the Ages of Distant Cosmic Objects by Fraser Cain & Dr. Pamela Gay Streamed live on Apr 22, 2024. How old is that star? That planet? That nebula? Figuring out the ages of astronomical objects is surprisingly challenging. Fortunately, astronomers have developed a series of techniques they can use to work out the ages of stuff. This video was made possible by the following Patreon members: Jordan Young BogieNet Stephen Veit Jeanette Wink Siggi Kemmler Andrew

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28:43

Ep. 716 - The God**** Particle - Remembering Peter Higgs

Astronomy Cast ·

2024/04/22

Astronomy Cast Ep. 716 - The God**** Particle - Remembering Peter Higgs by Fraser Cain & Dr. Pamela Gay Streamed live on Apr 15, 2024. Last week, we learned about the death of Peter Higgs, a physicist and discoverer of the particle that bears his name. The Large Hadron Collider was built to find and describe the particle. Today, we’ll look back at the life of Peter Higgs and his particle. This video was made possible by the following Patreon members: Jordan Young BogieNet Stephen Veit Jeanette

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32:18

Ep. 715: Total Eclipse of the Science: Experiments...

Astronomy Cast ·

2024/04/08

Astronomy Cast Ep. 715: Total Eclipse of the Science: Experiments During the Eclipse by Fraser Cain & Dr. Pamela Gay Streamed live April 1, 2024. NO JOKES! How to watch a solar eclipse and do some science! The next great eclipse is upon us, with viewers across North America witnessing the moon passing in front of the Sun. It’s an amazing experience, but also an opportunity to do science. Let’s talk about what we can learn from this momentous event. This video was made possible by the following

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27:56

Ep. 714: Orbital Resonances

Astronomy Cast ·

2024/04/01

Astronomy Cast Ep. 714: Orbital Resonances by Fraser Cain & Dr. Pamela Gay Streamed live on Mar 25, 2024. Several of the planets and moons in the Solar System are in orbital resonance, orbiting in a geometric lockstep. And not just the Solar System, astronomers have found the same resonances in other star systems. This video was made possible by the following Patreon members: Jordan Young BogieNet Stephen Veit Jeanette Wink Siggi Kemmler Andrew Poelstra Brian Cagle David Truog Ed David Gerhard

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33:52

Ep. 713: Solar System Volcanoes

Astronomy Cast ·

2024/03/25

Astronomy Cast Ep. 713: Solar System Volcanoes by Fraser Cain & Dr. Pamela Gay Streamed live on Mar 18, 2024. Last week was one of the most exciting meetings we’ve seen from the Lunar and Planetary Science Conference, with hundreds of announcements and discoveries from various missions. One theme kept coming up, the Solar System is more volcanically active than we thought. Today, we’ll explore volcanism on other worlds. This video was made possible by the following Patreon members: Jordan Young

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