Astronomers 'hear' the celestial choir of gravitational waves for the first time cnnphilippines.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from cnnphilippines.com Daily Mail and Mail on Sunday newspapers.
Several teams of scientists from around the world all report detecting extremely low-frequency waves in spacetime, caused by merging supermassive black holes.
Using beacon stars called pulsars, a decades-long effort has found space-time ripples that are light-years-wide. Using beacon stars called pulsars, a decades-long effort has found space-time ripples that are light-years-wide.
Astronomers have found a background din of exceptionally long-wavelength gravitational waves pervading the cosmos. The cause? Probably supermassive black hole collisions, but more exotic options can’t be ruled out.