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When the JWST captured the first images of the earliest galaxies in our universe, scientists were shocked.

The galaxies appeared to be way too bright, way too big, and way too mature to have formed so soon after the Big Bang. This discovery has, rightfully so, sparked a massive debate among astrophysicists. Some even started to question the standard model of cosmology.

However, using new simulations, some astrophysicists decided to investigate this controversy. Among these extraordinarily talented and bright minds is today’s guest, Chris Hayward, founding member of the FIRE project.

Tune in to discover the truth about the mysterious brightness at cosmic dawn!

Key Takeaways:

00:00:00 Intro
00:01:02 What is a FIRE simulation?
00:03:11 The mysterious brightness at cosmic dawn
00:12:36 How FIRE provides information on the maturity of a galaxy
00:16:18 Galaxy dynamics and black holes
00:18:50 How FIRE simulations can help resolve tensions in cosmology
00:27:32 “I was made for science.”
00:34:09 The experimental minimum
00:39:54 What if the universe is actually 26 billion years old?
00:43:35 What's next for this type of research?
00:47:25 Outro

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Additional resources:

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➡️ Read more about the Mysterious Brightness at Cosmic Dawn https://www.simonsfoundation.org/2023/10/05/bursts-of-star-formation-explain-mysterious-brightness-at-cosmic-dawn/

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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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