0
John Michell assumed that an object that was compact enough would not be able to emit light; his calculations were based on the escape velocity. At his time (18th. century) the idea was considered preposterous.
Soon after the publication of the General Theory of Relativity, Schwarzschild (by coincidence, the name means "black shield") did calculations that predicted the possibility of the black hole. Note that the explanation of why the black hole would not emit any light is somewhat different than the ones by Michell. Michell's calculations were based on the escape velocity of an object; the modern version of the black hole is about space-time being so distorted that an object can only get deeper into a black hole, no matter what its velocity.
According to calculations by Stephen Hawkings, a black hole would gradually evaporate, despite the fact that matter can't directly get out from the inside of the black hole. His calculations are based on quantum-mechanical effects near the border (event horizon) of the black hole.
The philosopher and geologist John Michell in the late 18th century described what would happen to infalling matter approaching a body of a certain mass where it had sufficient acceleration from gravity to approach the speed of light, and proposing the idea that light theoretically emitted by it would be unable to escape; but it wasn't until Albert Einstein's General theory of Relativity (1915) that the framework of gravitation was in place and the reality of black holes could be described mathematically. Building upon Einstein's work, the effect of gravity on light was much better understood and solutions to his field equations yielded much more accurate models of black holes' properties and strong theoretical evidence for their existence. Karl Schwarzchild was the first to find a solution describing an uncharged, non-rotating black hole and the formula for the radius of a black hole of a given mass takes his name (the Schwarzchild radius).
The theory of black holes was first put forward by physicist John Michell in 1783 and later independently proposed by Albert Einstein in 1916 as a consequence of his theory of general relativity.
Black holes would be studied by astronomers and astrophysicists.
Probably the leading theoretician associated with the development of the understanding of the phenomenon,
though by no means the only one, has been Steven Hawking.
Add your answer:
Earn +20 pts
Who didn't have experimental evidence to support his theory of atoms?
The Greek philosopher Democritus first put forward the idea of atoms as an intellectual theory.
Who proposed john Dalton's atomic theory?
John Dalton. He put forward the atomic theory in 1808.
What does Henry cavendish have to do with black holes?
Henry Cavendish did not have direct involvement with black holes. He was a British scientist known for his work in chemistry and physics, particularly for his discovery of hydrogen. The study of black holes came much later, with significant contributions from scientists like Stephen Hawking.
What is the Meaning of natrul selection?
It is the most consistent, and perhaps the best, theory put forward to explain the fact of evolution.
What is a white hole in space?
A white hole is a hypothetical region of spacetime where matter and light can only escape from, rather than being drawn into it like a black hole. In theory, white holes would be the reverse of black holes, but there is no observational evidence supporting their existence.
Are Black Holes distroyable?
In theory, yes. If you put enough antimatter in, you could in theory annihilate a black hole. Also, one could throw tons of particles that would change it's momentum so it stops spinning. Neither of these is possible for humanity. Also, there is absolutely no reason to destroy black holes. <><><><><> It is theorized that black holes hold galaxies together, so destroying one seems like a very bad idea, even if it were possible.
Can the black hole be put into an equation?
Black holes were purely theoretical before evidence of their existence surfaced. The theoretical basis for them was mathematical in nature. There are many equations that are involved in predicting and explaining their characteristics. The equations that come out of Einstein's theory of gravity were the ones that lead to the prediction of black holes.
In what constellations are there black holes?
None. Black holes are completely black, making them invisible, so it would be pointless to put something you can't see in a constellation.
Who put forward the theory of Evolution in 1955?
The British Evolutionist Charles Darwin
How many galaxies have you observed that most likely have black holes?
Let's put it this way... All larger galaxies have huge black holes in their center. In addition to that, you can expect any galaxy to have a significant number of stellar black holes.
Who didn't have experimental evidence to support his theory of atoms?
The Greek philosopher Democritus first put forward the idea of atoms as an intellectual theory.
Who proposed john Dalton's atomic theory?
John Dalton. He put forward the atomic theory in 1808.
Is there any way to get rid of black holes?
No. Anything you put into a black hole simply gets added to its mass.
What does Henry cavendish have to do with black holes?
Henry Cavendish did not have direct involvement with black holes. He was a British scientist known for his work in chemistry and physics, particularly for his discovery of hydrogen. The study of black holes came much later, with significant contributions from scientists like Stephen Hawking.
Theory of learning?
Theory of learning is hypothesis (put forward by various schools of philosophy) on how concepts,forms,skills,abiltiy of thoughts as knowledge is learnt.
Which of the thinkers from the scientific revolution first proposed a heliocentric theory that Earth revolves around the sun?
Nicolaus Copernicus put forward a heliocentric theory.
Did Isaac Newton put forward the Theory of Natural Selection?
no. it was charles darwin after his discover in galapagos islands.
