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A black hole cosmology (also called Schwarzschild cosmology or black hole cosmological model) is a cosmological model in which the observable universe is the interior of a black hole. Such models were originally proposed by theoretical physicist Raj Kumar Pathria , [ 1 ] and concurrently by mathematician I. J. Good .
John Michell (/ ˈ m ɪ tʃ əl /; 25 December 1724 – 21 April 1793) was an English natural philosopher and clergyman who provided pioneering insights into a wide range of scientific fields including astronomy, geology, optics, and gravitation.
A black hole with the mass of a car would have a diameter of about 10 −24 m and take a nanosecond to evaporate, during which time it would briefly have a luminosity of more than 200 times that of the Sun. Lower-mass black holes are expected to evaporate even faster; for example, a black hole of mass 1 TeV/c 2 would take less than 10 −88 ...
Primordial black holes are a hypothetical type of black hole proposed in 1966, [30] that may have formed during the so-called radiation-dominated era, if the universe was sufficiently inhomogeneous. Random fluctuations could lead to some regions becoming dense enough to undergo gravitational collapse, forming black holes.
According to Open Source Shakespeare, a web page containing all of the bard’s plays, poems and sonnets, there are 884,421 words in the entire works of Shakespeare.
1966 — Yakov Zel’dovich and Igor Novikov propose searching for black hole candidates among binary systems in which one star is optically bright and X-ray dark and the other optically dark but X-ray bright (the black hole candidate) [1] 1967 — Jocelyn Bell discovers and analyzes the first radio pulsar, direct evidence for a neutron star [2]
The Big Bounce hypothesis is a cosmological model for the origin of the known universe.It was originally suggested as a phase of the cyclic model or oscillatory universe interpretation of the Big Bang, where the first cosmological event was the result of the collapse of a previous universe.
Various arguments support the theory that Shakespeare was the sole author of the play, notably in DelVecchio and Hammond's Cambridge edition of the play, but modern editors generally agree that Shakespeare was responsible for almost exactly half the play — 827 lines — the main portion after scene 9 that follows the story of Pericles and Marina.