Mar 31, 2025
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...
Mar 24, 2025
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 Radio light) and then live to do it again and again. It’s time for an update on fast radio bursts, a phenomenon we’ve...
Mar 17, 2025
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 freely through the Milky Way. Today we’re gonna talk about rogue planets. Sometimes planets just go rogue. Let's learn...
Mar 3, 2025
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 Titan. What causes these storms and how do they work differently on the worlds in the solar system. But what about the...