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Why This Universe?
68 - The Age of the Universe
Aug 14, 2023
Debunking the claim that our universe is older than thought, analyzing methods to determine the age of the universe, exploring flaws in Gupta's theories, discussing the constancy of fundamental constants, and introducing the 'I Know Dino' podcast focusing on dinosaurs and their relevance to the modern world.
29:26
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Quick takeaways
- Globular star clusters provide an estimation of the age of the universe by studying the distribution of star masses within these clusters.
- Studying the expansion rate of space over time and integrating over the cosmological redshift curve provides a confirmation of the age of the universe with a precision of around 10%.
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Measuring the Age of the Universe through Star Clusters
One method to determine the age of the universe is by examining globular star clusters. These clusters contain stars that formed at roughly the same time. By studying the distribution of star masses within these clusters and observing when the most massive stars burn out, scientists can estimate the age of the cluster. This estimation, combined with other measurements, leads to an estimate for the age of the universe, which is around 13.8 billion years.
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