Overview

When you train a telescope on outer space, you can see luminous galaxies, nebulae, stars, and planets. But if you add all that together, it constitutes only 15 percent of the matter in the universe. Despite decades of research, the nature of the remaining 85 percent is unknown. We call it dark matter. In The Elephant in the Universe, Govert Schilling explores the fascinating history of the search for dark matter. Evidence for its existence comes from a wealth of astronomical observations. Theories and computer simulations of the evolution of the universe are also suggestive: they can be reconciled with astronomical measurements only if dark matter is a dominant component of nature. Physicists have devised huge, sensitive instruments to search for dark matter, which may be unlike anything else in the cosmos--some unknown elementary particle. Yet so far dark matter has escaped every experiment. Indeed, dark matter is so elusive that some scientists are beginning to suspect there might be something wrong with our theories about gravity or with the current paradigms of cosmology. Schilling interviews both believers and heretics and paints a colorful picture of the history and current status of dark matter research, with astronomers and physicists alike trying to make sense of theory and observation.

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Govert Schilling is the author of dozens of popular astronomy books, including Ripples in Spacetime: Einstein, Gravitational Waves, and the Future of Astronomy. He received the Eureka Prize from the Netherlands Organization for Scientific Research and the David N. Schramm Award from the American Astronomical Society. In 2007 the International Astronomical Union named an asteroid, 10986 Govert, in his honor. Joel Richards was the kid who did crazy things just to have a good story to tell afterward. On deciding to make his affection his profession, he received a BFA in acting and a BA in English from the University of Utah, and later an MA in oral storytelling from East Tennessee State University. He has narrated over 150 audiobooks (fiction and nonfiction) and continues to tell his original stories to live audiences.

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