This is the first observation in gravitational waves and light. Two other relevant pages: https://www.ligo.caltech.edu/page/press-release-gw170817 https://www

This is the first observation in gravitational waves and light. Two other relevant pages: https://www.ligo.caltech.edu/page/press-release-gw170817 https://www.ligo.caltech.edu/page/press-release-gw170817 http://www.ligo.org/detections/GW170817/press-release/pr-english.pdf http://www.ligo.org/detections/GW170817/press-release/pr-eng...