From Publishers Weekly
There is far more to the universe than meets the eye: invisible dark matter and dark energy constitute the vast bulk of the cosmos and are responsible for its accelerating expansion. Gates, assistant director of the Kavli Institute for Cosmological Physics, explores the science of these invisible phenomena and the questions they raise about the universe's origins, its present and its future. Gates explains how scientists discovered the existence of dark matter and their theories about the nature of the particles (with names like WIMPs) that form it. Astrophysicists have found tools to measure the invisible mass: the stars themselves. Drawing on Einstein's theory of general relativity, scientists can see dark matter using gravitational lensing—by measuring the deflection of light around a cosmic object, they can measure the object's mass. Presenting complicated topics concisely and clearly, Gates explains what we know about the universe, what scientists wish they knew, and what's at stake—the fate of the universe itself. 8 pages of color and 40 b&w illus. (Feb.)
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Cogent review of this intriguing topic.
(Marcia Bartusiak -Washington Post )
In this highly informative book, Gates offers clear, accessible explanations of how gravitational lensing can…solve the [universe's] biggest mysteries.
(Amanda Gefter -New Scientist )