Download e-book for kindle: A Brief History of Time, Updated and Expanded Tenth by Stephen Hawking

By Stephen Hawking

ISBN-10: 055389692X

ISBN-13: 9780553896923

The up-to-date and elevated 10th anniversary version

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Then two astronomers—the German, Johannes Kepler, and the Italian, Galileo Galilei—started publicly to support the Copernican theory, despite the fact that the orbits it predicted did not quite match the ones observed. The death blow to the Aristotelian/Ptolemaic theory came in 1609. In that year, Galileo started observing the night sky with a telescope, which had just been invented. When he looked at the planet Jupiter, Galileo found that it was accompanied by several small satellites or moons that orbited around it.

Patent and Trademark Office and in other countries. Marca Registrada. Bantam Books, 1540 Broadway, New York, New York 10036. 1 CONTENTS Cover Other Books by This Author Title Page Copyright FOREWORD Chapter One Our Picture of the Universe Chapter Two Space and Time Chapter Three The Expanding Universe Chapter Four The Uncertainty Principle Chapter Five Elementary Particles and the Forces of Nature Chapter Six Black Holes Chapter Seven Black Holes Ain’t So Black Chapter Eight The Origin and Fate of the Universe Chapter Nine The Arrow of Time Chapter Ten Wormholes and Time Travel Chapter Eleven The Unification of Physics Chapter Twelve Conclusion ALBERT EINSTEIN GALILEO GALILEI ISAAC NEWTON GLOSSARY ACKNOWLEDGMENTS About the Author FOREWORD I didn’t write a foreword to the original edition of A Brief History of Time.

This was true for Newton’s laws of motion, but now the idea was extended to include Maxwell’s theory and the speed of light: all observers should measure the same speed of light, no matter how fast they are moving. This simple idea has some remarkable consequences. Perhaps the best known are the equivalence of mass and energy, summed up in Einstein’s famous equation E=mc2 (where E is energy, m is mass, and c is the speed of light), and the law that nothing may travel faster than the speed of light.

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A Brief History of Time, Updated and Expanded Tenth Anniversary Edition by Stephen Hawking


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