Black Hole “ringing” could put Einstein’s theory to its toughest test
A newly merged black hole does not become quiet at once. It vibrates, sheds energy through gravitational waves…
Black hole collision lets scientists probe the event horizon for the first time
Black holes do their most important work in hiding. The boundary that defines them, the event horizon, seals…
Faint black hole ‘ringing’ provides a sharper test of Einstein’s gravity
When two black holes crash together, the violence does not end at impact. The newly formed black hole…