The Extravagant Universe: Exploding Stars, Dark Energy, and the Accelerating Cosmos. Robert P. Kirshner

The Extravagant Universe: Exploding Stars, Dark Energy, and the Accelerating Cosmos



Download The Extravagant Universe: Exploding Stars, Dark Energy, and the Accelerating Cosmos



The Extravagant Universe: Exploding Stars, Dark Energy, and the Accelerating Cosmos Robert P. Kirshner ebook pdf
Publisher: Princeton University Press
Language: English
Page: 310
ISBN: 0691058628, 9780691058627

From Scientific American

Astronomer Kirshner, the Clowes Professor of Science at Harvard University and head of the optical and infrared division at the Harvard-Smithsonian Center for Astrophysics, is part of a team studying supernovae that, by their apparent brightness, make it possible to measure distances in the universe. "The observations of distant supernovae show that we live in a universe that is not static as Einstein thought, and not just expanding as Hubble showed, but accelerating! We attribute this increase in expansion over time to a dark energy with an outward-pushing pressure.... Dark energy makes up the missing component of mass-energy that theorists have sought, reconciles the ages of objects with the present expansion rate of the universe, and complements new measurements of the lingering glow of the Big Bang itself to make a neat and surprising picture for the contents of the universe." It is an extravagant universe: "It has neutrinos as hot dark matter; something unknown as cold dark matter; inflation in the first 10-35 second after the Big Bang; and acceleration by dark energy now." Kirshner makes the story sing and the concepts of astronomy vivid.

Editors of Scientific American

Review

"In The Extravagant Universe, the story is told in a remarkably clear, entertaining, and accurate manner". -- Filippenko, Alex, AstronomyA readable, entertaining, and informative account of an ancient and familiar--yet newly reinvigorated--branch of science. -- James Case, SIAM NewsGripping story of how two competing groups of scientists came to . . . a radical new view of the universe. -- Michael Riordan, The New York Times Book ReviewHigh point in popular science publishing. . . . Kirshner has a real gift for visualizing the shape and structure of the universe. -- Martin Ince , Times Higher Education Supplement Story of how improved technology has enabled astronomers to look farther into the distance and thus further into the past. -- Laurence Marschall, Discover MagazineThe first eight chapters provide an introduction to cosmology at the level of Astronomy 101. . . . That tale is often told, but seldom so engagingly. The analogies are apt, the anecdotes are amusing, and the writing is brisk and witty--in places downright funny. . . . Kirshner succeeds in conveying the difficulty and excitement of the hunt for remote supernovae. -- Review[Kirshner uses] simple, effective, and often humorous analogies and anecdotes to explain . . . how the universe developed and evolved. -- Choice



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