The Extravagant Universe
Subtitle: Exploding Stars, Dark Energy, and the Accelerating Cosmos (Princeton Science Library)
Publisher: Princeton University Press
Published: September 11, 2002
Language: eng
Format: Hardcover
Number of pages: 312
ISBN-13: 9780691058627
Copyright date: 2002
Subjects: Astrophysics; Cosmology & the universe; Science; Cosmology (Astronomy); Stars; Science/Mathematics; Supernovae; Astronomy - Star Guides; Astronomy - Universe; Cosmology; Astronomy and Cosmology; Physics; Science / Astronomy; Astrophysics & Space Science; Dark energy (Astronomy)
First sentence: At first, the idea of understanding the universe seems preposterous, presumptuous, or in any case, out of reach, precisely because the universe is not built on a human scale of time or size.
Description: One of the world's leading astronomers, Robert Kirshner, takes readers inside a lively research team on the quest that led them to an extraordinary cosmological discovery: the expansion of the universe is accelerating under the influence of a dark energy that makes space itself expand. In addition to sharing the story of this exciting discovery, Kirshner also brings the science up-to-date in a new epilogue. He explains how the idea of an accelerating universe -- once a daring interpretation of sketchy data -- is now the standard assumption in cosmology today. 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. This book invites any reader to share in the excitement of a remarkable adventure of discovery. - Publisher.