ESOcast 166 Light - New Test of Einstein’s General Relativity - HD
By : Michael500ca
Published On: 2018-07-09
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01:13
Astronomers have made the most precise test ever of general relativity outside the Milky Way.
A nearby galaxy acts as a strong gravitational lens, distorting light from a distant galaxy behind it to create an Einstein ring around its centre. By comparing the mass of the lensing galaxy with the curvature of space around it, the astronomers found that gravity on these astronomical length-scales behaves as predicted by general relativity.
More information here: http://www.eso.org/public/news/eso1819/
Credit/Courtesy: ESO
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