A Brief History of Time: From the Big Bang to Black HolesStephen Hawking has earned a reputation as the most brilliant theoretical physicist since Einstein. In this landmark volume, Professor Hawking shares his blazing intellect with nonscientists everywhere, guiding us expertly to confront the supreme questions of the nature of time and the universe. Was there a beginning of time? Will there be an end? Is the universe infinite or does it have boundaries? From Galileo and Newton to modern astrophysics, from the breathtakingly cast to the extraordinarily tiny, Professor Hawking leads us on an exhilarating journey to distant galaxies, black holes, alternate dimensions--as close as man has ever ventured to the mind of God. From the vantage point of the wheelchair from which he has spent more than twenty years trapped by Lou Gehrig's disease, Stephen Hawking has transformed our view of the universe. Cogently explained, passionately revealed, "A Brief History of Time is the story of the ultimate quest for knowledge: the ongoing search for the tantalizing secrets at the heart of time and space. |
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Página 39
And that meant that the universe could not be static , as everyone previously had thought , but is in fact expanding ; the distance between the different galaxies is grow- ing all the time . The discovery that the universe is expanding ...
And that meant that the universe could not be static , as everyone previously had thought , but is in fact expanding ; the distance between the different galaxies is grow- ing all the time . The discovery that the universe is expanding ...
Página 66
In the nineteenth century , when the only particle energies that people knew how to use were the low energies of a few electron volts generated by chemical reactions such as burning , it was thought that atoms were the smallest unit .
In the nineteenth century , when the only particle energies that people knew how to use were the low energies of a few electron volts generated by chemical reactions such as burning , it was thought that atoms were the smallest unit .
Página 105
At first I thought that this emission indicated that one of the approximations I had used was not valid . I was afraid that if Bekenstein found out about it , he would use it as a further argument to support his ideas about the entropy ...
At first I thought that this emission indicated that one of the approximations I had used was not valid . I was afraid that if Bekenstein found out about it , he would use it as a further argument to support his ideas about the entropy ...
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LibraryThing Review
Crítica de los usuarios - jcvogan1 - LibraryThingFirst 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 - LibraryThingSummary: 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
Otras ediciones - Ver todas
A Brief History of Time: From the Big Bang to Black Holes Stephen Hawking,Carl Sagan Vista de fragmentos - 1988 |
Términos y frases comunes
able according appear arrow atoms attraction beginning believed big bang black hole body boundary called caused collapse complete contracting density describe developed dimensions direction disorder distance early earth effect Einstein electrons emitted energy event event horizon example exist expanding explain fact fall field FIGURE force galaxies gravitational collapse gravity happen histories idea increase infinite initial known later laws less light limit look mass matter means measure million million million moving neutron Newton objects observe orbits particles past paths phase planets position possible predictions principle probably quantum mechanics quarks question radiation rays reason regions relativity result rotating seems showed single singularity space space-time speed stars started string suggested surface temperature theory thought uncertainty unified theory universe waves weak zero