https://www.youtube.com/watch?v=MimmxUqg05Q
Streamed live on Mar 24, 2025.
Hosted by: Fraser Cain and Dr. Pamela L. Gay
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.
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The 365 Days of Astronomy 