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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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Into the Impossible With Brian Keating