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Cosmology has a very simple goal, explains Professor David Helfand: to understand the origin, evolution, and fate of all matter, energy, space, and time. In this e-seminar, Professor Helfand introduces us to the fundamentals of contemporary cosmology, such as space-time and the Universe's expansion, and some of the questions that preoccupy scientists today, including the nature and behavior of dark matter, MACHOs, WIMPs, and dark energy.

Adapted from a lecture series produced by David Helfand and the Columbia Center for New Media Teaching and Learning.

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Columbia University Digital Knowledge Ventures The Dark Side of the Universe with David Helfand