From the best-selling author of The Emperor's New Mind and The Road to Reality, a groundbreaking book that provides new views on three of cosmology's most profound questions: What, if anything, came before the Big Bang? What is the source of order in our universe? What is its ultimate future?
Current understanding of our universe dictates that all matter will eventually thin out to zero density, with huge black holes finally evaporating away into massless energy. Roger Penrose—one of the most innovative mathematicians of our time—turns around this predominant picture of the universe's "heat death," arguing how the expected ultimate fate of our accelerating, expanding universe can actually be reinterpreted as the "Big Bang" of a new one.
Along the way to this remarkable cosmological picture, Penrose sheds new light on basic principles that underlie the behavior of our universe, describing various standard and nonstandard cosmological models, the fundamental role of the cosmic microwave background, and the key status of black holes. Ideal for both the amateur astronomer and the advanced physicist—with plenty of exciting insights for each—Cycles of Time is certain to provoke and challenge.
Intellectually thrilling and accessible, this is another essential guide to the universe from one of our preeminent thinkers.
Includes a bonus PDF of illustrations and equations from the book
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by Roger Penrose
by T.T. Monday
by Colin Stuart
by Kate Zeigler
by Rachel Carson
by Bruce Schneier
by Edward O. Wilson
by David Adam
by Richard Leakey
by Philip Moriarty
by Wendell Berry
by John McPhee
"Roger Penrose has a new theory on "one of the biggest puzzles of cosmology"--that of the universe's origins--but many of those who listen to this audiobook will have some trouble comprehending it. Many less scientific-minded listeners will want to go back and read over passages on concepts like entropy, and equations really don't mean much when someone's just reading them. Supplemental text, supplied as a PDF or print insert, includes figures referred to in the audio as well as the aforementioned equations. Penrose's ideas may be intriguing, but going back and forth the between the audiobook and the booklet is an awkward process. J.A.S. (c) AudioFile 2011, Portland, Maine"
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