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 48
rate of expansion of the universe and its present average density . If the density is less than a certain critical value , determined by the rate of expansion , the gravitational attraction will be too weak to halt the expansion .
Página 126
These are thought to have developed from small differences in the density of the early universe from one region to another . What was the origin of these density fluctu- ations ? The general theory of relativity , on its own , cannot ...
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  - jcvogan1 - LibraryThing

First hundred pages are excellent, but then it gets to the then current day and becomes more a standard academic ‘this is what I think’ book. Leer comentario completo

LibraryThing Review

Crítica de los usuarios  - benkaboo - LibraryThing

Summary: Deep dive summary of the world of physics over the last 500 odd years. Things I liked: Objective: Trying to break heavy duty science into the language and ideas that regular folk can ... Leer comentario completo

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Contenido

Sección 1
1
Sección 2
15
Sección 3
37

Otras 13 secciones no mostradas

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Términos y frases comunes

anthropic principle antiparticles antiquarks astronaut atoms big bang big bang singularity body boundary condition called chapter collide complete unified theory described dimensions direction disorder distance early universe earth effect Einstein electromagnetic electrons emitted entropy event horizon exist finite force-carrying particles Friedmann galaxies Galileo gamma rays gravitational attraction gravitational field gravitational force happens idea imaginary increase infinite large number laws of science light cone light rays mass matter particles measure microwave million million million moving neutron star Newton nucleus observe orbits partial theories paths physicist planets position possible predicted primordial black holes protons and neutrons quantum mechanics quantum theory quarks radiation recollapse regions rotating scientist space space-time spaceship speed of light string theory sum over histories surface symmetry temperature theory of gravity theory of relativity thermodynamic arrow thousand million uncertainty principle universe expands velocity virtual particles wavelength wormhole 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
EditorRandom House Publishing Group, 1998
ISBN0553380168, 9780553380163
Largo240 páginas
  
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