Quasar ‘clocks’ show Universe was five times slower soon after the Big Bang
Quasar ‘clocks’ show Universe was five times slower soon after the Big Bang
https://www.eurekalert.org/news-releases/994149
Quasars are the supermassive black holes at the centres of early galaxies. Scientists have unlocked their secrets to use them as ‘clocks’ to measure time near the beginning of the universe.
Quasars are the supermassive black holes at the centres of early galaxies. Scientists have unlocked their secrets to use them as ‘clocks’ to measure time near the beginning of the universe.