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Why was the signal so brief?
As indicated by sjastro, the most intense GW radiation takes place just before the 'merge' - 2 black holes, each around 30 solar masses, rotating about a common centre of mass, 10s of times per second, just before coalescing.
Immediately before & after, the signal is simply not detectable with our current technology.
In the future, we'll be able to detect many of these ultra-energetic, cataclysmic events using multiple GW 'observatories' around the globe.
That will allow ever-more precise triangulation & current predictions are that we'll identify optical correlations.
This is just the beginning....Wow!
Dean
Last edited by deanm; 14-02-2016 at 04:31 PM.
Reason: clarity!
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