Short Wave SPACE WEEK: What Would It Be Like To Fall Into A Black Hole?
Sep 2, 2020
Join Yale astrophysicist Priyamvada Natarajan as she unravels the mysteries of black holes. Discover how these cosmic enigmas challenge our understanding of physics and warp the fabric of space-time. Priyamvada describes the event horizon and the surreal experience of spaghettification for anyone who falls in. She also discusses the dual nature of black holes as both creators and destroyers in the universe, emphasizing their vital role in galaxy formation. Dive deep into the fascinating world of black holes with this expert!
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Black Holes: Limits of Knowledge
- Black holes represent the limits of our knowledge, pushing the boundaries of physics.
- They were initially a mathematical idea derived from Einstein's theory of general relativity before being observed.
Einstein's Theory of Gravity
- Einstein's theory of general relativity explains gravity through the interplay of space, matter, and motion.
- Massive objects create distortions in spacetime, visualized as 'potholes' in a four-dimensional fabric.
Black Hole Types and Event Horizon
- Black holes are classified by size: stellar-mass, intermediate-mass, supermassive, and ultramassive.
- Each has an event horizon, a point of no return where gravity's pull prevents escape.