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Auteur
: Paul J. Steinhardt , Neil Turok
Edition: DOUBLEDAY
Pages: 135 Format: pdf
Two
world-renowned scientists present an audacious new vision of the cosmos that
“steals the thunder from the Big Bang theory
The
Big Bang theory—widely regarded as the leading explanation for the origin of
the universe—posits that space and time sprang into being about 14 billion
years ago in a hot, expanding fireball of nearly infinite density. Over the
last three decades the theory has been repeatedly revised to address such
issues as how galaxies and stars first formed and why the expansion of the
universe is speeding up today. Furthermore, an explanation has yet to be found
for what caused the Big Bang in the first place.
In Endless Universe, Paul J. Steinhardt and Neil Turok, both distinguished theoretical physicists, present a bold new cosmology. Steinhardt and Turok “contend that what we think of as the moment of creation was simply part of an infinite cycle of titanic collisions between our universe and a parallel world” (Discover). They recount the remarkable developments in astronomy, particle physics, and superstring theory that form the basis for their groundbreaking “Cyclic Universe” theory. According to this theory, the Big Bang was not the beginning of time but the bridge to a past filled with endlessly repeating cycles of evolution, each accompanied by the creation of new matter and the formation of new galaxies, stars, and planets.
Endless Universe provides answers to longstanding problems with the Big Bang model, while offering a provocative new view of both the past and the future of the cosmos. It is a “theory that could solve the cosmic mystery”
In Endless Universe, Paul J. Steinhardt and Neil Turok, both distinguished theoretical physicists, present a bold new cosmology. Steinhardt and Turok “contend that what we think of as the moment of creation was simply part of an infinite cycle of titanic collisions between our universe and a parallel world” (Discover). They recount the remarkable developments in astronomy, particle physics, and superstring theory that form the basis for their groundbreaking “Cyclic Universe” theory. According to this theory, the Big Bang was not the beginning of time but the bridge to a past filled with endlessly repeating cycles of evolution, each accompanied by the creation of new matter and the formation of new galaxies, stars, and planets.
Endless Universe provides answers to longstanding problems with the Big Bang model, while offering a provocative new view of both the past and the future of the cosmos. It is a “theory that could solve the cosmic mystery”
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O universo antes do Big Bang
Eu me alinho com os cientistas que estão começando a pensar na origem do universo a frio.
O universo pode ter surgido de uma flutuação do vácuo quântico como sugeriu Eduard Tryon em 1973.
O vácuo quântico é o menor nível de energia do ponto zero, onde as partículas virtuais surgem espontaneamente aos pares e se aniquilam.
Se uma partícula receber energia de outra por colisão, ela pode adquirir massa e não voltar ao fundo quântico do ponto zero, separando-se da anti-partícula e iniciando a criação do espaço/tempo. Partículas massivas em diversos níveis de energia podem formar léptons e hadríons com as forças fortes e fracas para formar átomos de hidrogênio, e estará formado o ingrediente para formar estrelas, tudo em baixa temperatura.
Uma nuvem de gás de hidrogênio se condensando em algum ponto pela ação da gravidade, tenderá aumentar a densidade formando uma singularidade comprimindo os átomos numa fusão nuclear queimando o hidrogênio e sintetizando o gás Helio, e estará formada uma estrela anã branca que poderá explodir como uma Super Nova, para começar uma nova geração de estrelas na evolução do universo com a criação de galáxias com buracos negros e quasares e aglomerado de galáxias.
Tudo isto antes do tempo de Plank , contrariando o Modelo Padrão que começa com o Big Bang.