It is commonly assumed that if the Sun suddenly turned into a black hole, it would suck Earth and the rest of the planets into oblivion. Yet, as prominent author and astrophysicist Jeffrey Bennett points out, black holes don’t suck. With that simple idea in mind, Bennett begins an entertaining introduction to Einstein’s theories of relativity, describing the amazing phenomena readers would actually experience if they took a trip to a black hole.
The theory of relativity reveals the speed of light as the cosmic speed limit, the mind-bending ideas of time dilation and curvature of spacetime, and what may be the most famous equation in history: E = mc2. Indeed, the theory of relativity shapes much of our modern understanding of the universe. It is not ‘just a theory’—every major prediction of relativity has been tested to exquisite precision, and its practical applications include the Global Positioning System (GPS). Amply illustrated and written in clear, accessible prose, Bennett’s book proves anyone can grasp the basics of Einstein’s ideas. His intuitive, nonmathematical approach gives a wide audience its first real taste of how relativity works and why it is so important to science and the way we view ourselves as human beings.
表中的内容
Preface
Introduction/Foreword: Einstein’s Life
Part 1: Getting Started
1. Voyage to a Black Hole
Part 2: Einstein’s Special Theory of Relativity
2. Racing Light
3. Redefining Space and Time
4. A New Common Sense
Part 3: Einstein’s General Theory of Relativity
5. Newton’s Absurdity
6. Redefining Gravity
Part 4: Implications of Relativity
7. Black Holes
8. The Expanding Universe
Epilogue: Your Indelible Mark on the Universe
Acknowledgments
Index
关于作者
Jeffrey Bennett, winner of the 2013 American Institute of Physics Science Communication Award, holds a BA in biophysics from the University of California, San Diego, and an MS and Ph D in astrophysics from the University of Colorado, Boulder. He is the lead author of several best-selling textbooks in astronomy, astrobiology, mathematics, and statistics and has written numerous award-winning books for the general public and children.
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