blackhole merger

Remembering C.V. Vishveshwara, the Quasimodo of Black Holes

A computer simulation shows two neutron stars, the extremely dense cores of now-dead stars, smashing into each other to form a blackhole. Credit: NASA Goddard Space Flight Centre/Flickr, CC BY 2.0 (quantum)

Has LIGO Actually Proved Einstein Wrong – and Found Signs of Quantum Gravity?