A Brief History of Time: From the Big Bang to Black HolesBantam Books, 1990 - 198 páginas Stephen 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
... gravity . But suppose instead the universe expanding . If it was expanding fairly slowly , the force of gravity would cause it eventually to stop expanding and then to start contracting . However , if it was ex- panding at more than a ...
... gravity . But suppose instead the universe expanding . If it was expanding fairly slowly , the force of gravity would cause it eventually to stop expanding and then to start contracting . However , if it was ex- panding at more than a ...
Página 81
... gravity . But if light is composed of particles , one might expect them to be affected by gravity in the same way that cannonballs , rockets , and planets are . At first people thought that particles of light traveled infinitely fast ...
... gravity . But if light is composed of particles , one might expect them to be affected by gravity in the same way that cannonballs , rockets , and planets are . At first people thought that particles of light traveled infinitely fast ...
Página 82
... gravity at all . ) In fact , it is not really consistent to treat light like cannonballs in Newton's theory of gravity because the speed of light is fixed . ( A cannonball fired upward from the earth will be slowed down by gravity and ...
... gravity at all . ) In fact , it is not really consistent to treat light like cannonballs in Newton's theory of gravity because the speed of light is fixed . ( A cannonball fired upward from the earth will be slowed down by gravity and ...
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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