Gravitational Lensing: Einstein's Unfinished Symphony (Free Astronomy Public Lectures)
Sep 16, 2010•58 min
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Episode description
Presented by Professor Richard Ellis on 7th September 2010.
In 1919, Arthur Eddington demonstrated Einsteins's prediction that the Sun's gravity deflects the path of light rays. This phenomonon, termed 'gravitational lensing' is now one of the most powerful tools of the modern astronomer. Professor Ellis reviews the history and progress in charting how dark matter is distributed and how easily galaxies can be located using gravitational lensing.
In 1919, Arthur Eddington demonstrated Einsteins's prediction that the Sun's gravity deflects the path of light rays. This phenomonon, termed 'gravitational lensing' is now one of the most powerful tools of the modern astronomer. Professor Ellis reviews the history and progress in charting how dark matter is distributed and how easily galaxies can be located using gravitational lensing.
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