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 79
... radiation . We have no direct evidence as to whether the matter in other galaxies is made up of protons and neutrons or antiprotons and anti- neutrons , but it must be one or the other : there cannot be a mixture in a single galaxy ...
Página 107
... radiation at a certain rate . It is a matter of common experience that if one heats up a poker in a fire it glows red hot and emits radiation , but bodies at lower temperatures emit radiation too ; one just BLACK HOLES AIN'T SO BLACK 107.
Página 108
... radiation is required in order to prevent violation of the second law . So black holes ought to emit radiation . But by their very definition , black holes are objects that are not supposed to emit anything . It therefore seemed that ...

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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

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

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