Episode Details

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

https://arxiv.org/abs/2308.16628

More interviews:

👉 A Big Problem with Modern Science Communication

https://youtu.be/zGV6mZuULj8

👉 Understanding Dark Energy With Most Detailed Supernovae Survey

https://www.youtube.com/watch?v=2Y6KK94GaXc&ab_channel=FraserCain

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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

📺 VIDEO VERSION

https://youtu.be/XRKX9ElmOQk

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