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The Elephant in the Universe - Our Hundred-Year Search for Dark Matter (Hardcover)
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The Elephant in the Universe - Our Hundred-Year Search for Dark Matter (Hardcover)
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An award-winning science journalist details the quest to isolate
and understand dark matter-and shows how that search has helped us
to understand the universe we inhabit. 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. Taking a holistic view of
dark matter as a problem, an opportunity, and an example of science
in action, The Elephant in the Universe is a vivid tale of
scientists puzzling their way toward the true nature of the
universe.
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