
The Extravagant Universe
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This measurement of dark energy--a quality of space itself that causes cosmic acceleration--points to a gaping hole in our understanding of fundamental physics. In 1917, Einstein proposed the "cosmological constant" to explain a static universe. When observations proved that the universe was expanding, he cast this early form of dark energy aside. But recent observations described first-hand in this book show that the cosmological constant--or something just like it--dominates the universe's mass and energy budget and determines its fate and shape.
Warned by Einstein's blunder, and contradicted by the initial results of a competing research team, Kirshner and his colleagues were reluctant to accept their own result. But, convinced by evidence built on their hard-earned understanding of exploding stars, they announced their conclusion that the universe is accelerating in February 1998. Other lines of inquiry and parallel supernova research now support a new synthesis of a cosmos dominated by dark energy but also containing several forms of dark matter. We live in an extravagant universe with a surprising number of essential ingredients: the real universe we measure is not the simplest one we could imagine.
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Content
CHAPTER 1: The Big Picture 1
CHAPTER 2: Violent Agents of Cosmic Change 15
CHAPTER 3: Another Way to Explode 34
CHAPTER 4: Einstein Adds a Constant 49
CHAPTER 5: Cosmic Expansion 60
CHAPTER 6: What Time Is It? 83
CHAPTER 7: A Hot Day in Holmdel 114
CHAPTER 8: Learning to Swim 136
CHAPTER 9: Getting It First 158
CHAPTER 10: Getting It Right 194
CHAPTER 11: The Smoking Gun? 234
NOTES 263
ACKNOWLEDGMENTS 275
INDEX 277
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