The first episode in a new mini-series on philosophical problems in cosmology - Today we start with the origins of Western science and learn what the ancient Greeks thought about the cosmos.
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May 2
AUA: Changing Dark Energy, Twin Paradox, and What's Next for CERN
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54m 27s
Mar 2025
AUA: The Early Universe, Quantum Interpretations, and Asteroids
To listen to our backlog of past ask-us-anything episodes for free, head to our Patreon, or join for $3/month to ask us questions: https://www.patreon.com/whythisuniverse
28m 56s
Dec 2024
Astronomy Cast Ep. 737: Weird Science Stories From 2024
https://www.youtube.com/watch?v=i4SjpJT2FFg Streamed live December13, 2024. Hosted by: Fraser Cain and Dr. Pamela L. Gay. 2024 was a strange year! I’ll let your imagination take flight and consider how 2024 was weird for you. But, for space and astronomy we had some interesting, ... Show More
34m 51s
Jan 2025
EVSN - Free-flowing Water On Ancient Mars? Not So Fast!
From August 4, 2020. Join us today as we talk about newly released research that suggests the waters on ancient Mars were subglacial and not free-flowing. Also, a black hole goes dormant and star formation goes wild. Meanwhile, computer models show that unequal neutron stars coll ... Show More
14m 17s
Sep 2024
EVSN - Mars is the Future, the Day the Dinos Died, a Star's Death in 3 Acts, & More!
From Wednesday, September 4, 2024. Let's take a fast-paced journey thru all that's new in space and astronomy, including new info on the origins of the Dino Killing asteroid, a star being nommed by a star, a deep dive into Mars exploration, and tales from the launch pad. We've ... Show More
31m 16s
Oct 2024
Actual Astronomy Ep. 452: Comet C/2023 A3 Tsuchinshan-Atlas
Hosted by Chris Beckett & Shane Ludtke, two amateur astronomers in Saskatchewan. actualastronomy@gmail.com Happy Canadian Thanksgiving, beer, turkey, bacon and observing. Did you buy that 17”? Had some notes and a photo from Wade in Australia where the comet has been Have you se ... Show More
39m 56s
Sep 2024
EVSN - Supernovae and Galaxies Being Used to Solve Astrophysics’ Biggest Questions
From May 18, 2021. Two new studies are attempting to solve a couple of big puzzles in astrophysics: Is the Hubble constant actually constant? And why do galaxies have flat rotation curves? Plus, a young star’s circumstellar disk, the search for stellar-mass black holes, magnesium ... Show More
23m 9s