Timekeeping

NANOGrav - Scientists use Exotic Stars to Tune into Hum from Cosmic Symphony:

https://nanograv.org/news/15yrRelease

#GravitationalWaves #PulsarTiming #Pulsars #RadioEmissions #Timekeeping #GeneralRelativity #Relativity #BlackHoleBinaries #BlackHoles #NANOGrav #CollaborativeResearch #CosmicOrchestra #Music #Astrophysics #Cosmology #RadioAstronomy #Astronomy

Keith Cooper - Time appeared to move 5 times more slowly in 1st billion years after Big Bang, quasar 'clocks' reveal:

https://www.space.com/quasar-clocks-universe-time-dilation

#TimeDilation #Timekeeping #Time #BlackHoles #QuasarClock #Clock #Quasars #Redshift #GeneralRelativity #Relativity #Astrophysics #Cosmology