It's 24hrs since @LIGO and @ego_virgo detected #S190425z a candidate binary #NeutronStars merger. An exciting (and sleepless) night for many astronomers across the globe as they search for signs of the merger's aftermath. https://t.co/I1UxEqtJw9 #O3ishere #multimessenger 1/3 pic.twitter.com/7acr1FKMPB

— LIGO (@LIGO) April 26, 2019