Years after ripping stars to shreds, 24 black holes suddenly flared up with radio waves in inexplicable 'burping' bouts. Half of all star-killing black holes may experience the same.
Can someone calculate how much time passes once in a black hole? Perhaps the stars (now just random matter, I assume) only experienced seconds/minutes/days for the years they were engulfed
Scientists have demonstrated “time dilation” in the early universe by studying quasars, supermassive black holes. Using 190 quasars as a cosmic clock, they observed time passing about a fifth as quickly as today, dating back 12.3 billion years. The study compared the brightness fluctuations of ancient quasars to those today, finding a fivefold slowdown.
Can someone calculate how much time passes once in a black hole? Perhaps the stars (now just random matter, I assume) only experienced seconds/minutes/days for the years they were engulfed
https://www.reuters.com/technology/space/ferocious-black-holes-reveal-time-dilation-early-universe-2023-07-03/
Scientists have demonstrated “time dilation” in the early universe by studying quasars, supermassive black holes. Using 190 quasars as a cosmic clock, they observed time passing about a fifth as quickly as today, dating back 12.3 billion years. The study compared the brightness fluctuations of ancient quasars to those today, finding a fivefold slowdown.