Quiz(19th Sep) : Discovery of Gravitational Waves ?

in contest •  7 years ago 

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According to paper published on 11th Feb, 2016 by Ligo and Virgo, When were Gravitational waves detected on earth ?

  1. 14 Sep, 2015
  2. 11 June, 2011
  3. 1 January, 2010
  4. 11 September 1999

Hint : Google has the answer.
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7 years ago by

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      ·  7 years ago 

    September 14, 2015

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      1 vote
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        ·  7 years ago 

      Sep 14, 2015. I like open book tests.

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        [-]
          ·  7 years ago 
        1. 14 Sep, 2015

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            ·  7 years ago 

          good info

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              ·  7 years ago 

            September 14, 2015
            thank you, a4illusionist and https://www.ligo.caltech.edu/news/ligo20160211

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                ·  7 years ago 

              14 Sep, 2015

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                  ·  7 years ago 

                14 Sep, 2015

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