in theory, it can last anywhere from a millisecond to billions of years. there are black holes that are so old they might have been created at the beginning of the universe.
There have been no confirmed sightings of white holes in the last 100 years. Black holes, on the other hand, have been indirectly observed through their effects on nearby objects and the radiation they emit. The first direct image of a black hole was captured by the Event Horizon Telescope in 2019.
If black holes do not disappear tomorrow, it would not significantly impact our current understanding of physics. Black holes are known to persist for billions of years, so one additional day of existence would not be a major change. The continued presence of black holes would likely provide ongoing opportunities for scientific study and exploration.
Black holes do not die but they can evaporate.
The most massive stars will die as black holes.
Stephen Hawking's research on black holes led to the concept of Hawking radiation, which proposed that black holes are not completely black but emit radiation. This idea resolved the paradox of black holes violating the laws of thermodynamics by showing that they can slowly lose mass and energy over time.
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They will remain as black holes for a long, long time.
Science at this time can find no end to black holes. They seem to last forever.
There have been no confirmed sightings of white holes in the last 100 years. Black holes, on the other hand, have been indirectly observed through their effects on nearby objects and the radiation they emit. The first direct image of a black hole was captured by the Event Horizon Telescope in 2019.
Black holes did exist in 1999, and long before that. While black holes cannot be observed directly, they have been hinted at having existed by Einstein. The first real recording of the side effects of a Black hole was in 1971.
Walter Sullivan has written: 'The long, long love' 'Black Holes' -- subject(s): Black holes (Astronomy), Trous noirs (Astronomie) 'The War the Women Lived'
Black holes are sort of the final stage of stellar evolution; they don't form much else. Two black holes may merge to form a larger one, and after a very, very long time, they will evaporate.
stellar black holes were stars (these are large)primordial black holes were pieces of the big bang (these are microscopic)
They're still called black holes. A black hole remains defined as a black hole as long as it absorb everything near them, both energy and matter, including gas.
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That is a really good question, but no one actually knows. Though we do know that one day that Black holes will die because it will become smaller and smaller and then ping, it died. However the black holes that were create from the beginning of the Universe are still exist, so it will takes billions and billions and billions and billions of years from black hole to die.
Hawking radiation is a process where black holes emit particles due to quantum effects near their event horizon. This radiation causes black holes to lose mass and eventually evaporate. This challenges the traditional idea that nothing can escape a black hole, and suggests that they may not last forever. This has significant implications for our understanding of black holes and the nature of the universe.