An introduction to the analysis and the nature of a black hole

Note the gravitational lensing effect, which produces two enlarged but highly distorted views of the Cloud. Across the top, the Milky Way disk appears distorted into an arc. The idea of a body so massive that even light could not escape was briefly proposed by astronomical pioneer and English clergyman John Michell in a letter published in November

An introduction to the analysis and the nature of a black hole

As the eminent American physicist Kip Thorne describes it, it is "the point where all laws of physics break down". An observer watching from a safe distance outside, though, would have a different view of the event.

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According to relativity theorythey would see the object moving slower and slower as it approaches the black hole until it comes to a complete halt at the event horizonnever actually falling into the black hole. A gravitational singularity is hidden within a black hole Source: It is conceivable that some future combined theory of quantum gravity such as current research into superstrings may be able to describe black holes without the need for singularitiesbut such a theory is still many years away.

It seems likely, then, that, by its very nature, we will never be able to fully describe or even understand the singularity at the center of a black hole.

An introduction to the analysis and the nature of a black hole

Although an observer can send signals into a black holenothing inside the black hole can ever communicate with anything outside it, so its secrets would seem to be safe forever.The “Black Hole Information Paradox” The paradox arose after Hawking showed, in , that black holes surrounded by quantum fields actually will radiate particles (“Hawking radiation”) and shrink in size (Figure 4), eventually evaporating completely.

INTRODUCTION TO THE THEORY OF BLACK HOLES 14 The four laws of black hole dynamics 29 15 Rindler space-time 31 16 Euclidean gravity 32 17 The Unruh efiect 34 18 Hawking radiation 38 was suspected that, due to the wave nature of light, it might be able to escape anyway.

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If black holes evaporate via Hawking radiation, a solar mass black hole will evaporate (beginning once the temperature of the cosmic microwave background drops below that of the black hole.

Aug 12,  · Explore a universe of black holes, dark matter, and quasars A universe full of extremely high energies, high densities, high pressures, and extremely intense magnetic fields which allow us to test our understanding of the laws of physics.

The basic "building block" of the black hole is that singularity: a pinpoint region of space that contains all the mass of the black hole.

Around it is a region of space from where light cannot escape, giving the "black hole" its name. Black holes like these can also result from the collision of large stellar objects like two stars colliding or two galaxies colliding or even from the collision of a black hole and a neutron star as was observed in by the Hubble Telescope (rutadeltambor.com).

Black hole essay