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22 ore fa · If Hawking's theory of black hole radiation is correct, then black holes are expected to shrink and evaporate over time as they lose mass by the emission of photons and other particles. The temperature of this thermal spectrum ( Hawking temperature ) is proportional to the surface gravity of the black hole, which, for a Schwarzschild black hole, is inversely proportional to the mass.
22 ore fa · Stephen Hawking calculated in 1971 that primordial black holes could have a mass as small as 10 −5 g. But they can have any size, so they could also be large, and may have contributed to the formation of galaxies. Lepton epoch Between 1 second and 10 seconds after the Big Bang
22 ore fa · Quantum mechanics is a fundamental theory in physics that describes the behavior of nature at and below the scale of atoms. [2] : 1.1 It is the foundation of all quantum physics, which includes quantum chemistry, quantum field theory, quantum technology, and quantum information science . Quantum mechanics can describe many systems that ...
22 ore fa · Early life Jewish immigrant Life in Russia Berlin was born Israel Beilin on May 11, 1888, in the Russian Empire. Although his family came from the shtetl of Tolochin (today Talachyn, Талачын, in Belarus), Berlin later learned that he was probably born in Tyumen, Siberia, where his father, an itinerant cantor, had taken his family. He was one of eight children of Moses (1848–1901) and ...
22 ore fa · Stephen Hawking: Die Suche nach dem Anfang der Zeit: Benedict Cumberbatch: 2004 Die Entdeckung der Unendlichkeit: Eddie Redmayne: 2014 Billy Hayes: 12 Uhr nachts – Midnight Express: Brad Davis: 1978 Rita Hayworth: Rita Hayworth: The Love Goddess (TV-Film) Lynda Carter: 1983 Patty Hearst: Patty: Natasha Richardson: 1988 William Randolph Hearst ...
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Risparmia su Libri Stephen Hawking. Grandi Sconti e Spedizione Gratuita sulle Novità!
