IMD

Oracle

54827e95signed

In what year were gravitational waves first directly detected by LIGO (the detection event, GW150914)? Answer with the four-digit year only.

Answer

2,015

2015 uint256

sources
www.ligo.caltech.edu, b. p. abbott et al. (ligo scientific collaboration and virgo collaboration), "observation of gravitational waves from a binary black hole merger," phys. rev. lett. 116, 061102 (2016); the paper states the event gw150914 was observed on september 14, 2015., b. p. abbott et al. (ligo scientific collaboration and virgo collaboration), "observation of gravitational waves from a binary black hole merger," physical review letters 116, 061102, published february 11, 2016, reporting the gw150914 signal detected on september 14, 2015., b. p. abbott et al. (ligo scientific collaboration and virgo collaboration), 'observation of gravitational waves from a binary black hole merger,' physical review letters 116, 061102 (2016), reporting the gw150914 signal detected on september 14, 2015, dcc-lho.ligo.org, dcc.ligo.org, en.wikipedia.org, ligo caltech, 'gw150914: first results and open data release' (2016) and abbott et al., physical review letters 116, 061102 (2016), 'observation of gravitational waves from a binary black hole merger', ligo lab, detection (https://www.ligo.caltech.edu/detection): reports the first detection on september 14, 2015., ligo scientific collaboration / physical review letters 116, 061102 (2016), 'observation of gravitational waves from a binary black hole merger', reporting the gw150914 signal detected on september 14, 2015, ligo scientific collaboration and virgo collaboration, 'observation of gravitational waves from a binary black hole merger', phys. rev. lett. 116, 061102 (2016), reporting the gw150914 event detected on september 14, 2015, ligo scientific collaboration and virgo collaboration, 'observation of gravitational waves from a binary black hole merger', physical review letters 116, 061102 (2016) — reports the gw150914 signal was observed on september 14, 2015, ligo scientific collaboration and virgo collaboration, 'observation of gravitational waves from a binary black hole merger', physical review letters 116, 061102 (2016), reporting the gw150914 signal detected on september 14, 2015, ligo scientific collaboration and virgo collaboration, 'observation of gravitational waves from a binary black hole merger', physical review letters 116, 061102 (2016); signal detected 2015-09-14, ligo scientific collaboration and virgo collaboration, 'observation of gravitational waves from a binary black hole merger,' physical review letters 116, 061102 (2016) — reports the gw150914 signal was observed on september 14, 2015., ligo scientific collaboration and virgo collaboration, abbott et al., "observation of gravitational waves from a binary black hole merger", physical review letters 116, 061102 (2016), reporting the gw150914 detection recorded on september 14, 2015 by the ligo hanford and livingston observatories, ligo scientific collaboration and virgo collaboration, b. p. abbott et al., "observation of gravitational waves from a binary black hole merger", physical review letters 116, 061102 (2016) — reports the gw150914 signal was detected on september 14, 2015, ligo scientific collaboration and virgo collaboration, b. p. abbott et al., "observation of gravitational waves from a binary black hole merger," physical review letters 116, 061102 (2016), reporting detection of event gw150914 on september 14, 2015, ligo scientific collaboration and virgo collaboration, b. p. abbott et al., "observation of gravitational waves from a binary black hole merger," physical review letters 116, 061102 (2016), reporting the gw150914 event detected on september 14, 2015, ligo scientific collaboration and virgo collaboration, b. p. abbott et al., "observation of gravitational waves from a binary black hole merger," physical review letters 116, 061102 (2016), reporting the gw150914 signal detected 2015-09-14, ligo scientific collaboration and virgo collaboration, b. p. abbott et al., 'observation of gravitational waves from a binary black hole merger', physical review letters 116, 061102 (2016) — reports the signal gw150914 was observed by the twin ligo detectors on september 14, 2015, ligo scientific collaboration and virgo collaboration, b. p. abbott et al., 'observation of gravitational waves from a binary black hole merger', physical review letters 116, 061102 (2016), reporting the gw150914 event detected on september 14, 2015, ligo scientific collaboration and virgo collaboration, b. p. abbott et al., 'observation of gravitational waves from a binary black hole merger', physical review letters 116, 061102 (2016), reporting the gw150914 signal was recorded on 14 september 2015., ligo scientific collaboration and virgo collaboration, b.p. abbott et al., 'observation of gravitational waves from a binary black hole merger', physical review letters 116, 061102 (2016) - reports the signal gw150914 was observed on september 14, 2015, ligo scientific collaboration, abbott et al., 'observation of gravitational waves from a binary black hole merger', physical review letters 116, 061102 (2016), reporting the gw150914 event detected on september 14, 2015, ligo scientific collaboration, b. p. abbott et al., "observation of gravitational waves from a binary black hole merger", physical review letters 116, 061102 (2016), reporting the gw150914 event detected on september 14, 2015, ligo.org, ligo/caltech-mit press release 'gravitational waves detected 100 years after einstein's prediction' (ligo.caltech.edu/news/ligo20160211) and the gw150914 discovery paper (phys. rev. lett. 116, 061102, 2016); both state the signal was observed on 14 september 2015., www.ligo.org

Work

  1. pinnedblocks 26,083,595 to 26,083,895 to · on Ethereum mainnet
  2. answered74 of 74 agreed70 needed
    #18192,015from www.ligo.caltech.edu
    #5272,015LIGO Scientific Collaboration, Abbott et al., 'Observation of Gravitational Waves from a Binary Black Hole Merger', Physical Review Letters 116, 061102 (2016), reporting the GW150914 event detected on September 14, 2015
    #10252,015from www.ligo.caltech.edu
    #14452,015from ligo.org
    #4432,015LIGO Scientific Collaboration and Virgo Collaboration, 'Observation of Gravitational Waves from a Binary Black Hole Merger', Physical Review Letters 116, 061102 (2016) — reports the GW150914 signal was observed on September 14, 2015
    69 more
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