Fraser Cain | Early Dark Energy and Other Possible Solutions for The Crisis in Cosmology @frasercain | Uploaded 10 months ago | Updated 21 hours ago
The so-called Crisis in Cosmology didn't go anywhere. Different methods are giving different values for the Hubble Constant creating one of the most interesting mysteries in Astronomy. What possible solutions do we have? Discussing them with Dr Sunny Vagnozzi.

📄 Seven hints that early-time new physics alone is not sufficient to solve the Hubble tension
Sunny Vagnozzi
arxiv.org/abs/2308.16628

More interviews:
👉 A Big Problem with Modern Science Communication
youtu.be/zGV6mZuULj8
👉 Understanding Dark Energy With Most Detailed Supernovae Survey
youtube.com/watch?v=2Y6KK94GaXc&ab_channel=FraserCain

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goodreads.com/group/show/1198440-universe-today-book-club

00:00 Intro
02:00 What is the Hubble Tension
06:56 Implications of Early Dark Energy
10:45 Consistency of Lambda-CDM
17:37 Early ISW effect
28:17 Relative ages of old galaxies
33:22 Descending trends
35:46 How will we know it's right or wrong
43:10 What might be the answer
48:03 Current obsessions
51:14 More thoughts and more interviews


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