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Dark Matter Winners And Losers In The Aftermath Of LIGO

19 Dec 2017, 15:01 UTC
Dark Matter Winners And Losers In The Aftermath Of LIGO LIGO/A. Simonnet
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Back in 2015, the dark matter situation was pretty straightforward: the large-scale structure in the Universe demanded that there be a large amount of cold dark matter, and alternatives were struggling to reproduce those successes. Einstein’s General Relativity still needed to work on all scales, from local, Solar System-based tests up to cosmic ones, but there were no direct tests of some of its greatest, strong-field predictions. All of that changed two years ago, with the first announced detection of gravitational waves, courtesy of two merging black holes.

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