Episode 287 - The Dark Energy Mystery - Universe Expansion and Acceleration

The provided YouTube transcript explores the concept of dark energy, a mysterious force driving the accelerating expansion of the universe. It recounts how scientists in 1998 discovered this acceleration by observing distant supernovae. The text details how these observations contradicted previous expectations of a slowing expansion due to gravity. It explains dark energy as an anti-gravity force, possibly related to Einstein's cosmological constant, overcoming gravitational effects on large scales. The transcript describes how Type 1A supernovae serve as "standard candles" to measure the rate of cosmic expansion, as well as Einstein's initial misconception about the universe.


Source :

SEA

YouTube Channel