Black hole 'hair' could reveal hidden matter after two black holes collide

Black hole ringdown waves may reveal hidden matter or new physics through distinct changes in frequency and damping.
Coverage · 2 write-ups · 3 outlets
- The Brighter Side of News Press · thebrighterside.newsAlso carried by thebrighterside.news
- EarthSky Genre press · via Google NewsDo black holes have hidden hair? Scientists are searching