A Brief History of Time

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Random House Publishing Group, 1998 M09 1 - 240 páginas
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#1 NEW YORK TIMES BESTSELLER

A landmark volume in science writing by one of the great minds of our time, Stephen Hawking’s book explores such profound questions as: How did the universe begin—and what made its start possible? Does time always flow forward? Is the universe unending—or are there boundaries? Are there other dimensions in space? What will happen when it all ends?

Told in language we all can understand, A Brief History of Time plunges into the exotic realms of black holes and quarks, of antimatter and “arrows of time,” of the big bang and a bigger God—where the possibilities are wondrous and unexpected. With exciting images and profound imagination, Stephen Hawking brings us closer to the ultimate secrets at the very heart of creation.

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Página 133
Moreover , the rate of expan- sion of the universe would automatically become very close to the critical rate determined by the energy density of the universe . This could then explain why the rate of expansion is still so close to the ...
Página 134
Thus the universe can double the amount of positive matter energy and also double the negative gravita- tional energy without violation of the conservation of energy . This does not happen in the normal expansion of the universe in ...
Página 164
Ordi- nary matter , which has a positive energy density , gives space - time a positive curvature , like the surface of a sphere . So what one needs , in order to warp space - time in a way that will allow travel into the past ...

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LibraryThing Review

Crítica de los usuarios  - DzejnCrvena - LibraryThing

I got the version with no pictures in it, so I can't understand some concepts mentioned in the book. May reread later when I become (more) interested in physics or astronomy. It's one of the books I just picked randomly, even though my significant other mentioned it at least once. Leer comentario completo

LibraryThing Review

Crítica de los usuarios  - Rose999 - LibraryThing

Ha, what can you say about this book? I liked it a lot, the concepts are extremely difficult to grasp at times but we are talking about theories that are being worked on by some of the most ... Leer comentario completo

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Contenido

Our Picture of the Universe
1
Space and Time
15
The Expanding Universe
37
Derechos de autor

Otras 15 secciones no mostradas

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Términos y frases comunes

able according allow appear arrow atoms attraction beginning believed big bang black hole body boundary called cause Chapter collapse complete contain contracting density described dimensions direction disorder distance early earth effect Einstein electrons emitted energy event example exist expanding explain fact fall field force future galaxies gravitational collapse gravity happens histories horizon idea increase infinite initial known later laws light limit look mass matter means measure million million million moving neutron Newton objects observe orbits particles past paths physics position possible predicted principle protons quantum mechanics quarks question radiation rays reason regions relativity rotating seems showed single singularity space space-time speed stars started string suggested suppose surface temperature theory thought thousand uncertainty unified theory universe waves weak zero

Referencias a este libro

Acerca del autor (1998)

Stephen Hawking was the Lucasian Professor of Mathematics at the University of Cambridge for thirty years and the recipient of numerous awards and honors including the Presidential Medal of Freedom. His books for the general reader include My Brief History, the classic A Brief History of Time, the essay collection Black Holes and Baby Universes, The Universe in a Nutshell, and, with Leonard Mlodinow, A Briefer History of Time and The Grand Design. Stephen Hawking died in 2018.

Información bibliográfica

QR code for A Brief History of Time
TítuloA Brief History of Time
AutorStephen Hawking
Ediciónreimpresa
EditorRandom House Publishing Group, 1998
ISBN0553380168, 9780553380163
Largo240 páginas
  
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