The Scale of The Universe
Summary
This episode explores the scale of the universe by walking through 27 orders of magnitude, from the Planck length to the observable universe's edge. It highlights key physical limits and celestial objects, such as quarks, the Titanic, the Pistol Star, and the Hercules–Corona Borealis Great Wall. The narrator explains how these powers of ten provide perspective on cosmic distances, noting that the largest known structures challenge the cosmological principle. The journey concludes by emphasizing the vastness of space, requiring 35 steps backward to reach the smallest measurable distance from…
Topics discussed
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Sponsor: Checkout.com & Intro to Powers of 10
Defining Powers of 10 and Order of Magnitude
Planck Length and Planck Time
Quarks, Cells, and Everyday Objects
Titanic, Vatican City, and Phobos
Hydra, Pluto, and Earth
Proxima Centauri and Exoplanets
The Sun and Planetary Orbits
Pistol Star and Uscudty
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Solar System View and Oort Cloud
Pillars of Creation
Milky Way and Andromeda Galaxy
Local Group and Virgo Cluster
The Great Attractor
Hercules-Corona Borealis Great Wall
Cosmological Principle and Size Limits
Observable Universe Limits
Conclusion: Scale of Human Existence
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