Now we know that the first gravitational waves were detected on September 14, 2015 at 5:51 a.m. EDT (09:51 UTC) at both LIGO sites.
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I thought I felt a disturbance in the Force.
What I found interesting is that Advanced LIGO saw this gravitational wave almost as soon as observations began with the new and improved instrument. That should indicate that there will be many more announcements of gravitational waves to come as they are verified. Before it’s finished LIGO should have about three times more sensitivity.
I turned 75 that day. It was certainly a disturbance in the Force.