LIGO gravitational wave detector breaks ‘quantum limit’ to find deep universe black hole collisions

Earth’s premier gravitational wave detector just received a major upgrade that will significantly improve its ability to spot ripples in the fabric of space and time — undulations created by collisions between black holes or neutron stars, and sometimes, between both.

What this means is, during the next run of the Laser Interferometer Gravitational-Wave Observatory (LIGO), the instrument will be able to detect more merger events between these massive stellar remnants that form when enormous stars collapse at the end of their lives. LIGO will also be able to spot such impacts across greater distances thanks to the new upgrade, tracking gravitational waves that have rippled through spacetime for billions of years. 

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