“Stretching & Squashing Spacetime” –LIGO Gravitational-Wave Alerts Available to the Public

Merging Black Holes


Future Laser Interferometer Gravitational-Wave Observatory (LIGO) alerts may likely come from a globular cluster, with the closest cluster residing about 7,000 light years from Earth. When a gravitational wave transit the Milky Way, it stretches and squashes space-time, making pulsars and the Earth jiggle.