Cosmological Parameters

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Cosmological Parameters
Lecture by Wendy Freedman (Carnegie Observatories)
MCTP, Ann Arbor, Michigan, 25 May 2001
duration: 52:07, 37 slides

Summary of Talk:

New, large, ground and space based telescopes are contributing to an exciting and rapid period of growth in observational cosmology. The subject is now far from its earlier days of being data-starved and unconstrained, and new data are fueling a healthy interplay between observations and experimant and theory. I report here on the status of measurements of a number of quantities of interest in cosmology: the expansion rate or Hubble constant, the total mass-energy density, the matter density, the cosmological constant or dark energy component, and the total optical background light.

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Last modified: Wednesday, 16-Jul-2003 18:26:29 EDT