Ep. 664: The First Stars
Astronomy Cast9 Jan 2023

Ep. 664: The First Stars

Astronomy Cast Ep. 664: The First Stars by Fraser Cain & Dr. Pamela Gay This show is sponsored by BetterHelp. Visit BetterHelp.com/ASTRONOMY today to get 10% off your first month. The Sun is a third-generation star, polluted with metals from long-dead suns. Astronomers have also discovered second-generation stars, with very low metallicity. But theories suggest there must be a first generation, with stars made from only pure hydrogen and helium. Can we ever find them? This video was made possible by the following Patreon members: Burry Gowen Stephen Veit Jordan Young Jeanette Wink Kevin Lyle Venkatesh Chary Andrew Poelstra Brian Cagle David Truog Gerhard Schwarzer THANK YOU! - Fraser and Dr. Pamela

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Ep. 751: Vacuum Energy

Ep. 751: Vacuum Energy

Astronomy Cast Ep. 751: Vacuum Energy By Fraser Cain & Dr. Pamela Gay Streamed live on Apr 7, 2025. Hosted by: Fraser Cain and Dr. Pamela L. Gay. Even empty space isn't empty. It's filled with the qua...

14 Apr 202533min

Ep. 750: Supernova Early Warning System

Ep. 750: Supernova Early Warning System

Astronomy Cast Ep. 750: Supernova Early Warning System By Fraser Cain & Dr. Pamela Gay Streamed live on Mar 31, 2025. Hosted by: Fraser Cain and Dr. Pamela L. Gay When enormous stars detonate as super...

7 Apr 202526min

Ep. 749: Dark Energy Changing Over Time

Ep. 749: Dark Energy Changing Over Time

Astronomy Cast Ep. 749: Dark Energy Changing Over Time By Fraser Cain & Dr. Pamela Gay Streamed live on Mar 24, 2025. The Hubble Tension is a vexing problem, with astronomers measuring the expansion o...

31 Mars 202532min

Ep. 748: Fast Radio Bursts

Ep. 748: Fast Radio Bursts

Astronomy Cast Ep. 748: Fast Radio Bursts By Fraser Cain & Dr. Pamela Gay Streamed live on Mar 17, 2025. For the briefest of moments, some dead stars can flash brighter than their entire galaxy (in Ra...

24 Mars 202528min

Ep. 747: Rogue Planets

Ep. 747: Rogue Planets

Streamed live on Mar 10, 2025. Hosted by: Fraser Cain and Dr. Pamela L. Gay Most planets orbit stars. That's the rule, right? Well, maybe not. In fact the vast majority of planets could be floating fr...

17 Mars 202529min

Ep. 746: Dust Storms

Ep. 746: Dust Storms

Astronomy Cast Ep. 746: Dust Storms By Fraser Cain & Dr. Pamela Gay Streamed live Feb 24, 2025. We have dust storms on Earth and of course the famous dust storms on Mars. There are even dust storms on...

3 Mars 202528min

Ep. 745: How We Know If Asteroids Will Attack

Ep. 745: How We Know If Asteroids Will Attack

Astronomy Cast Ep. 745: How We Know If Asteroids Will Attack By Fraser Cain & Dr. Pamela Gay Streamed live Feb 20, 2025. I'm sure you've heard the news, asteroid 2024 YR4 has a tiny chance of hitting ...

24 Feb 202530min

Ep. 744: Lunar Time

Ep. 744: Lunar Time

Astronomy Cast Ep. 744: Lunar Time By Fraser Cain & Dr. Pamela Gay Streamed live on Feb 10, 2025. What time is it? OK, fine, what time is it on the Moon? The Moon orbits the Earth, so it doesn't fall ...

17 Feb 202531min

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