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 of the Universe at different points in its history and getting different results. Errors have mostly been ruled out, which leaves the potential for new physics. Has the strength of dark energy been changing over time? We thought Dark Energy was constant with time, but new results from DESI say maybe not, and honestly, if it wasn't constant the Hubble Tension would be a whole lot easier to solve. SUPPORTED BY YOU! 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. Thanks to: BogieNet, Stephen Vei, Jeanette Wink, Siggi Kemmler, Andrew Poelstra, Brian Cagle, David Truog, Ed, David, Gerhard Schwarzer, Sergio Sancevero, Sergey Manouilov, Burry Gowen, David Rossetter, Michael Purcell, Jason Kwong

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Ep. 700: The Things We Got Wrong

Ep. 700: The Things We Got Wrong

Astronomy Cast Ep. 700: The Things We Got Wrong by Fraser Cain & Dr. Pamela Gay Streamed live on Nov 27, 2023. Astronomers talk about all the amazing discoveries they’re making but sometimes, it turns out, they were wrong. After decades and centuries of discoveries, how have they changed their minds?   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 Nicholas Cunningham THANK YOU! - Fraser and Dr. Pamela

4 Dec 202329min

Ep. 699: Holiday Gift Giving Ideas for Astronomy and Space Fans

Ep. 699: Holiday Gift Giving Ideas for Astronomy and Space Fans

Astronomy Cast Ep. 699: Holiday Gift Giving Ideas for Astronomy and Space Fans by Fraser Cain & Dr. Pamela Gay Streamed live on Nov 20, 2023. Just a warning, the holidays are rapidly approaching. It’s time, once again, to think about what to buy all the space nerds on your lists. Here’s what we like.   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 Nicholas Cunningham THANK YOU! - Fraser and Dr. Pamela

27 Nov 202332min

Ep. 698: Insights Into the Universe

Ep. 698: Insights Into the Universe

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 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

20 Nov 202331min

Ep. 697: Mission Roll Call Part 6: The Outer Solar System and Beyond

Ep. 697: Mission Roll Call Part 6: The Outer Solar System and Beyond

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

13 Nov 202330min

Ep. 696: Mission Roll Call Part 5: The Science at Mars

Ep. 696: Mission Roll Call Part 5: The Science at Mars

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

6 Nov 202340min

Ep. 695: Mission Roll Call Part 4: Lunar Exploration

Ep. 695: Mission Roll Call Part 4: Lunar Exploration

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

30 Okt 202335min

Ep. 694: Mission Roll Call Part 3: Sun, Mercury, and Venus

Ep. 694: Mission Roll Call Part 3: Sun, Mercury, and Venus

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!

23 Okt 202333min

Ep. 693: Mission Roll Call Part 2: Looking Outward from Earth

Ep. 693: Mission Roll Call Part 2: Looking Outward from Earth

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

16 Okt 202329min

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