#author("2022-08-18T07:22:08+09:00","","") Colliding black holes could clock universe's expansion rate - Space.com 'Spectral siren' method suggests mergers between massive and compact cosmic objects could help understand how the universe has evolved. Author : Robert Lea #technology #tech #innovation #engineering #business #iphone #technews #science #design #apple #gadgets #electronics #android #programming #software #smartphone #samsung #instagood #coding #computer #pro #instatech #education #security #gadget #mobile #instagram #technologynews #HATINC READ MORE : https://hatinco.com/colliding-black-holes-measure-universe-expansion.htm