Wednesday, 10 February 2016

Everything you need to know about gravitational waves

Last year in September, upgrades of the gravitational wave interferometer LIGO were completed. The experiment � now named advanced LIGO � searches for gravitational waves emitted in the merger of two black holes. Such a merger signal should fall straight into advanced LIGOs reach.



Estimated gravitational wave spectrum. [Image Source]



It was thus expected that the upgraded experiment


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