A Brief History of Time

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Random House Publishing Group, 1998 M09 1 - 240 páginas

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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 45
... Friedmann's second assumption . We have no scientific evidence for , or against , this assumption . We believe it only on grounds of modesty : it would be most remarkable if the universe looked the same in every direction around us ...
Página 47
... Friedmann model is that in it the universe is not infinite in space , but neither does space have any boundary . Gravity is so strong that space is bent round onto itself , making it rather like the surface of the earth . If one keeps ...
Página 51
... Friedmann's models alone , which after all were only approximations to the real universe . Perhaps , of all the models that were roughly like the real universe , only Friedmann's would contain a big bang singularity . In Friedmann's ...

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Contenido

Chapter One Our Picture of the Universe
20
GALILEO GALILEI
194
ACKNOWLEDGMENTS
205
Derechos de autor

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Términos y frases comunes

anthropic principle antiparticles antiquarks astronaut atoms big bang 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 exclusion principle exist finite force-carrying particles Friedmann galaxies Galileo gamma rays gravitational attraction gravitational field gravitational force happens idea imaginary increase infinite initial 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

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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

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