An Enormous Gravity ‘Hum’ Moves Through the Universe - eviltoast
An Enormous Gravity ‘Hum’ Moves Through the Universe | Quanta Magazine
www.quantamagazine.org
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.

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.