Listening to the Universe-black holes

Listening to the Universe-black holes

black holes swirling around each other

Artist's conception of two merging black holes similar to those that produced a gravitational wave detected by LIGO in 2015. Albert Einstein predicted the existence of gravitational waves more than 100 years ago. This was the first gravitational wave detected.

IMAGE: LIGO/Caltech/MIT/Sonoma State (Aurore Simonnet)