Listening to the space-time ripples

What was predicted by Einstein 100 years ago has now after a close study has been proved. Back then in the 20th century we were literally in utter darkness when it came about that part of relativity which seemed back then like fiction I mean the space-time
ripples caused by gravitational waves. This was first detected in 2015 Sept 14th at LIGO(the international gravitational-wave Observatory), but they had to keep us in darkness  until they did a complete study of what had caused it.
the jolt of the gravitational wave was caused when two black holes had gone through the the process of collision, Ring down and this created it.

credit deccan herald.com

 then it was observed in LIgo underground observatory which is 1900 miles apart.

 via LIGO.org
more on space.com
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