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What is Gravitational Lensing?

July 28, 2009 Berkeley Lab summer lecture: Gravitational lensing is explained by Einstein's general theory of relativity: galaxies and clusters of galaxies, which are very massive objects, act on s...  
 
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PolarisUSMC (2 months ago) Show Hide
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Interesting indeed! I'm glad this is up here!
bouleure (4 months ago) Show Hide
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great
MacFarlaneW (4 months ago) Show Hide
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Waoh !
alfia (5 months ago) Show Hide
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Have to go google barions! Very interesting.
homousios (5 months ago) Show Hide
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very interesting

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