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Cosmology for Particle Physicists.pdf
November 8, 2009 · Filed Under Physics · Comment · Tags: Big Bang Universe, Cosmology, Earth, Galaxy, Universe
Taken from Introduction: Over the past two decades Cosmology has increasingly become a precision science. That the Universe is expanding was an astonishing discovery. Now we know its details to unprecedented precision. An expanding Universe also implied an extremely compact state in the past, and therefore very high temperature. The Particle Physics forces which can now be explored only in accelerator laboratories were in free play in the remote past. Thus the observation of the oldest remnants in the Universe amounts to looking at the results of a Particle Physics experiment under natural conditions.
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