Abstract
Space is not a boring static stage on which events unfold over time, but a dynamic entity with curvature, fluctuations and a rich life of its own which is a booming area of study. Spectacular new measurements of the cosmic microwave background, gravitational lensing, type Ia supernovae, large-scale structure, spectra of the Lyman α forest, stellar dynamics and x-ray binaries are probing the properties of spacetime over 22 orders of magnitude in scale. Current measurements are consistent with an infinite flat everlasting universe containing about 30% cold dark matter, 65% dark energy and at least two distinct populations of black holes.
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121. The author wishes to thank Roger Blandford, Angélica de Oliveira-Costa and Harold Shapiro for helpful comments. Support for this work was provided by NSF grants AST-0071213 & AST-0134999, NASA grants NAG5-9194 & NAG5-11099, and the David and Lucile Packard Foundation.
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Tegmark, M. Measuring Spacetime: From Big Bang to Black Holes. In: Bretón, N., Cervantes-Cota, J.L., Salgado, M. (eds) The Early Universe and Observational Cosmology. Lecture Notes in Physics, vol 646. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-40918-2_6
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