What is the duration of a black hole
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After the supernova, the star is turned dark and is called a black hole. Black hole remains after the supernova.
Manavpanchasara:
but for how many years
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Like nonillions of years, well probably more than that. Blockholes live really long, though less than Red Dwarfs and White Dwarfs. They decay really slow. REALLY. SLOW. And, it happens through Hawkings Radiation. You could expect them seeing even after all the galaxies would have evaporated. So, yeah. A pretty long time.
(They depend upon size too. Like, a black hole with the mass of sun stays alive for 10^67 years. Geez. I wonder how long is the largest blackhole (18000 light years long) going to live.)
(They depend upon size too. Like, a black hole with the mass of sun stays alive for 10^67 years. Geez. I wonder how long is the largest blackhole (18000 light years long) going to live.)
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