Gravitational Redshift Explained
Gravitational redshift illustrates how light loses energy as it escapes the gravitational pull of massive bodies, akin to climbing a hill. This phenomenon, rooted in the equivalence principle, was challenging to measure until the 1950s, providing further validation for general relativity. Additionally, gravitational lensing demonstrates how massive objects can bend light, altering our perception of the universe's structure.In this clip
From this podcast
The Science of Everything Podcast
Episode 145: Relativity and Black Holes
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