News Astronomy

Black hole collisions evade detection

Search for gravitational waves from galactic cores turns up empty

black hole

MAKING WAVES  As supermassive black holes spiral together, they should radiate gravitational waves (illustrated) — spacetime ripples that have yet to be directly detected.

Swinburne Astronomy Productions

By Christopher Crockett

- More than 2 years ago

Supermassive black hole duos are awfully quiet. Searches for spacetime ripples radiating away from these spiraling monsters are coming up empty, a new study reports.