A leading astrophysicist summarizes the new theories of the origin of the universe and explains how they discredit older hypotheses, such as the "Big Bang" theory
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Alan Lightman is Professor of Science and Writing and Senior Lecturer in Physics at the Massachusetts Institute of Technology. He is also a Research Scientist at the Harvard Smithsonian Center for Astrophysics.
The Big Bang model of the cosmos assumes a uniform, homogeneous universe, yet we now know that galaxies cluster together. This "lumpiness" of matter, along with the peculiar velocities of some galaxies and the superabundance of invisible "dark matter" (detected--but not glimpsed--through gravitational studies) has led many scientists to question the Big Bang and even to pose alternate models. MIT astrophysicist Lightman looks at these developments in a concise, enjoyable introduction to the major problems and controversies at the frontiers of cosmology. He reviews the latest descriptions of the birth of the universe during the first trillionth of a second, scans the new collaboration between particle physics and cosmology, and unravels the search for a GUT (grand unified theory) that would link the fundamental forces of nature. Photos, diagrams, a glossary and biographical sketches of key figures help make this a highly accessible tour of the universe.
Copyright 1991 Reed Business Information, Inc.
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