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The Nine Numbers of the Cosmosby Michael Rowan Robinson
Synopses & Reviews
How old is the universe? What do the atoms in our bodies, our very existence, tell us about the history of the universe? How heavy is the vacuum? How do galaxies form? Michael Rowan-Robinson answers these questions and encapsulates all that modern astronomy has discovered about the universe around nine numbers. His motto is Montaigne's "What do I know?" And the reader emerges with a genuine feel for what we do really know about the universe and also what we do not.
Only one of the nine numbers is known with real precision, while four of them are not known at all. Complicated ideas like the origin of the elements, the General Theory of Relativity, quantum theory, and the standard model of particle physics, ideas that constitute modern cosmology, are explained in a simple way. Speculative ideas like inflation, Theories of Everything, strings and superstrings, are also in this book, but they are treated with a refreshing skepticism.
Although most of what we know has been learned during the twentieth century, Rowan-Robinson gives an historical perspective and honors the achievements of the Greeks, renaissance astronomers, and the age of Newton. He ends the book with an analysis of the future, predicting that with the advent of the MAP and PLANCK-Surveyor space missions, the Large Hadron Collider, and other planned experiments, all nine numbers will be accurately known by 2015. However, he stresses that many questions and mysteries will remain, and the book concludes with the idea that the origin of the Big Bang will remain a mystery in 2100 and perhaps even in the year 3000.
How old is the universe? What do the atoms in our bodies, our very existence, tell us about the history of the universe? How heavy is the vacuum? How do galaxies form? Michael Rowan-Robinson discusses these questions and more in this lively introduction to what modern astronomy has discovered about the universe. Basing his discussion on nine of the fundamental constants in the universe, many only estimates at present, he surveys the entire field, using as a guide Montaigne's question "What do I know?" The reader emerges with a genuine feel for what we do really know about the universe and also what we do not.
Includes bibliographical references (p. 161) and indexes.
About the Author
Michael Rowan-Robinson is Professor of Astrophysics and Head of the Astrophysics Group at Imperial College, London. He is an internationally recognized expert on observational cosmology and his book, The Cosmological Distance Scale, is regarded as a classic.
Table of Contents
Prologue: Que sais-je?
1. We exist
2. We are not in a special place
3. An expanding universe
4. A universe of finite age
5. The Hot Big Bang
6. Cold dark matter
7. The missing ingredient--tilt, strings, or hot dark matter
8. How heavy is the vacuum?
9. How do galaxies form?
10. The nine numbers of the cosmos
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