... ago. The ground-based Laser Interferometer Gravitational-Wave Observatory (LIGO) was responsible for the detection of GW150914, and subsequent GW events, which marked not only the first ever detection of a gravitational wave (GW) but also...
... the direction of the gravitational wave signal to a smaller search area on the sky. The first reported signal, GW150914, for example was resolved to an area of approximately 600 square degrees. The sky region for this latest...