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Physics
Gravitational Lensing: Einstein Rings, Exoplanets and the Age of the Universe
We have looked at the ground-breaking, yet controversial, 1919 expedition by Sir Arthur Stanley Eddington which proved the theories of Albert Einstein to be true. Now, I want to look at some of the effects of Gravitational Lensing and also…
Gravitational Lensing: Einstein, Eddington and the 1919 Eclipse
On the conclusion of his treatise on Optics in 1704, Newton posed a number of questions in order to inspire a further search to be made by others. The First of these was the following: Do not Bodies act upon Light at a distance, and by…