Debating Tired Light and Its Implications

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The chapter delves into the concept of tired light and its implications on the age of the universe, contrasting it with established phenomena like Compton scattering and dark matter. Discussions revolve around potential ways to test and prove/falsify tired light, exploring its connection to Neutrinos and the 'impossible early galaxies problem.' The chapter also touches on galaxy formation, Lambda CDM models, dark energy, and challenges in testing general relativity and the possible variation of physical constants.

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Is the universe twice as old as we thought?

Current estimates suggest that the Big Bang occurred 13.8 billion years ago. But today, we’re joined by Rajendra Gupta, a luminary in the field of cosmology who claims that the universe is actually 26.7 billion years old. I've invited him on the show so he can make a case for his claims!

Professor Gupta is a theoretical physicist currently teaching astrophysics to senior undergraduate and graduate students at the University of Ottawa. His research focuses on astrophysics, cosmology, general relativity, the dynamics of the universe under evolutionary physical constants beyond the standard model, CMB, JWST, BAO, Big Bang nucleosynthesis, the large-scale structure and formation of galaxies, dark matter, and dark energy.

To say I am thrilled to have him on the show for the second time would be an understatement.

So, without further ado, let’s jump right in!

Key Takeaways:

00:00 Intro
01:50 Judging Rajendra’s paper
05:34 Changing cosmic constants
10:45 Tired light hypothesis
13:58 Falsifying the notion that the universe is 26 billion years old
18:57 Falsifying tired light
21:41 The Big Bang and galaxy formation
28:31 Hybrid model of dark energy
33:27 The expanding universe
36:41 Audience questions
44:20 Outro

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➡️ Learn more about Rajendra Gupta:

💻 University website: https://www.uottawa.ca/faculty-science/professors/rajendra-gupta

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Into the Impossible with Brian Keating is a podcast dedicated to all those who want to explore the universe within and beyond the known.

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