Today's Cosmological Constants

Details Today's Cosmological Constants Today's Cosmological Constants

1998-04-29

arxiv.org/abs/astro-ph/9804329v1

Astronomy and Astrophysics

Astrophysics

5 pages Latex. Concluding remarks at the XXXIII Moriond meeting

Scientific paper

Knowledge of the constants that describe the current cosmological world model, H_0, t_0, and the three Omega's is central to physical cosmology. Although there is a vast range of suggested tests and existing constraints much of the recent discussion of cosmological constants involves three time variable photospheres: Cepheids, SNIa, and the CMB last scattering surface. These concluding remarks for the Moriond XXXIII meeting are made at a time when many of the established methods have made careful, interesting, statements about the values of various cosmological constants based on data of small random errors. The flood of new data over the next few years will lead to a satisfying increase in the precision of both direct and model dependent estimates of the main cosmological parameters.

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