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Heart of darkness : unraveling the mysteries of the invisible universe /

J. P. Ostriker, Author ; Simon Mitton, Author | Princeton, NJ : Princeton University Press | Science essentials | 2013

Heart of Darkness describes the incredible saga of humankind's quest to unravel the deepest secrets of the universe. Over the past thirty years, scientists have learned that two little-understood components--dark matter and dark energy--compris[...]