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Supermassive Black Holes - Rethinking Their Origin and Formation

World Science Festival via YouTube

Overview

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Explore the fascinating world of supermassive black holes in this 36-minute scientific discussion featuring astrophysicist Priya Natarajan and moderator Brian Greene. Delve into an alternative theory challenging traditional explanations of how these cosmic giants form, suggesting they may emerge directly from collapsing galactic dust and gas rather than dying stars. Journey through the historical development of black hole physics, from early theoretical work to modern observations, covering key contributions from Chandrasekhar, Einstein, Oppenheimer, Penrose, and Wheeler. Learn about groundbreaking discoveries including Ghez's mapping of space-time around black holes, overmassive black hole galaxies (OBGs), and recent observations from the James Webb Space Telescope. Gain insights into primordial black holes, their evolution, and the latest observational evidence supporting new formation theories in this comprehensive exploration of one of the universe's most enigmatic phenomena.

Syllabus

- Introduction
- History of the concept of black holes
- Formula of the event horizon
- Visualization of a black hole
- Chandrasekhar's contribution of black hole knowledge
- Einstein and the limits of our understanding of black holes
- Oppenheimer and Snyder's work theorizing how a black hole would form
- Penrose's work on gravitational collapse and the space-time singularity
- Wheeler coining of the term "black hole"
- Ghez's mapping of the shape of space and the motion of stars around black holes
- Alternate ways black holes could form
- Overmassive black hole galaxy OBG
- Sequence of formation of black holes
- James Webb Space Telescope's detection of OBG
- Primordial black holes
- Evolution of black holes
- Credits

Taught by

World Science Festival

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