文档介绍：REINVENTING
GRAVITY
A PHYSICIST GOES BEYOND EINSTEIN
John W. Moffat
To Patricia
whose dedication and help
made this book possible
Contents
Introduction: A NEW GRAVITY THEORY v
Prologue: THE ELUSIVE VULCAN, A PARABLE 1
PART 1: DISCOVERING AND REINVENTING GRAVITY 7
1: THE GREEKS TO NEWTON 9
2: EINSTEIN 25
PART 2: THE STANDARD MODEL OF GRAVITY 49
3: THE BEGINNINGS OF MODERN COSMOLOGY 51
4: DARK MATTER 69
5: CONVENTIONAL BLACK HOLES 78
PART 3: UPDATING THE STANDARD MODEL 89
6: INFLATION AND VARIABLE SPEED OF LIGHT (VSL) 91
7: NEW COSMOLOGICAL DATA 110
PART 4: SEARCHING FOR A NEW GRAVITY THEORY 125
8: STRINGS AND QUANTUM GRAVITY 127
9: OTHER ALTERNATIVE GRAVITY THEORIES 143
10: MODIFIED GRAVITY (MOG) 153
iv CONTE NT S
PA R T 5: EN V I SIONI N G A ND T E S T IN G
T HE MO G UN I V ER S E 171
11: THE PIONEER ANOMALY 173
12: MOG AS A PREDICTIVE THEORY 181
13: COSMOLOGY WITHOUT DARK MATTER 193
14: DO BLACK HOLES EXIST IN NATURE? 200
15: DARK ENERGY AND THE ACCELERATING UNIVERSE 205
16: THE ETERNAL UNIVERSE 212
Epilogue 221
Notes 225
Glossary 246
Bibliography 257
Acknowledgments 260
Index 261
About the Author
Credits
Cover
Copyright
About the Publisher
Introduction
A NEW GRAVITY THEORY
n 1916, Einstein published his new theory of gravity called general
relativity. In 1919, the theory was validated by the observation of the
bending of light during a solar eclipse, as the sun’s gravitational pull
Iwarped spacetime. Since then, there has been much speculation as to
whether Einstein’s theory of gravity is perfect and unchangeable, much like
Michelangelo’s David. Why would we want to modify Einstein’s outstanding
intellectual achievement?
Until recently, most physicists have considered Einstein’s general relativ-
ity theory to be in perfect agreement with observational data. However, this
is not necessarily true. Neither have the attemp