[LIVE] Neutron Stars Collide | LIGO (Laser Interferometer Gravitational Observatory) | Part 1

First Cosmic Event Seen in Gravitational Waves LIGO - Virgo discovery marks first cosmic event observed in both gravitational waves and light. Announcement made at the National Press Club, Washington, DC. Panel with representatives from various telescopes begins at 1:14:59 (Please note that Marica Branchesi’s institutional affiliation is incorrectly indicated in the video. The correct affiliation for Dr. Branchesi is Gran Sasso Science Institute/INFN.)