query: Could LIGO discovery be due to e.g. earthquakes or have a terrestrial source?
positive_passages.docid: 140798
positive_passages.text: Is there absolute proof for gravitational waves?
negative_passages.docid: 140996
negative_passages.text: Are there naturally occurring lasers?
negative_passages.docid: 12784
negative_passages.text: Is the popular explanation given for gravity in General Relativity misleading?
negative_passages.docid: 26512
negative_passages.text: What's the evidence supporting 1 singular Big Bang?
negative_passages.docid: 44636
negative_passages.text: Can the question of a gravitationally accelerated charge radiation be tested experimentally?
negative_passages.docid: 102752
negative_passages.text: Is Earth really a magnet?
negative_passages.docid: 20185
negative_passages.text: How does LIGO remove the effects of environmental noise?
negative_passages.docid: 98228
negative_passages.text: Evidence for quantum gravity from gravitational waves
negative_passages.docid: 128649
negative_passages.text: How did we 'discover' dark matter?
negative_passages.docid: 47890
negative_passages.text: What is gravitational radiation?
negative_passages.docid: 79744
negative_passages.text: LIGO flawed by the identical expansion of laser wavelength and arms in presence of a gravitational wave?
negative_passages.docid: 95946
negative_passages.text: What causes the expansion of space?
negative_passages.docid: 97818
negative_passages.text: How do I find a previously discovered system?
negative_passages.docid: 1876
negative_passages.text: Is the sensitivity of the LIGO sensitive enough to measure the "expansion of the universe"? What specifically is the numerical ratio of effects?
negative_passages.docid: 47384
negative_passages.text: Huygens-principle
negative_passages.docid: 125620
negative_passages.text: How do we know for certain that space is expanding?
negative_passages.docid: 80142
negative_passages.text: Does all hydrogen originate from the Big Bang?