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W.L. Freedman (Carnegie Observatories)
It is an unparalleled time in the history of cosmology. The precision in cosmological parameters continues to increase, and a new generation of facilities promises to provide even tighter constraints on cosmological models. The biggest challenge to the accuracy of these measurements is systematic errors. I will review current progress in cosmology, with particular focus on measurements of the Hubble constant and dark energy, and give an update on the status of the Carnegie Supernova Program. I will also discuss future plans for improving the accuracy in these measurements. Finally, I will briefly describe current plans for building a 24.5-meter optical telescope, the Giant Magellan Telescope.
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Bulletin of the American Astronomical Society, 37 #4
© 2005. The American Astronomical Soceity.