Kavli Affiliate: Michael S. Turner
| First 5 Authors: Michael S. Turner, , , ,
| Summary:
The age of the Universe at a given redshift is a fundamental relationship in
cosmology. For many years, the uncertainties in it were dauntingly large, close
to a factor of 2. In this age of precision cosmology, they are now at the
percent level and dominated solely by the Hubble constant. The uncertainties
due to the parameters that describe the cosmological model are must less
important. In decreasing order they are: uncertainty due to the dark energy
equation-of-state parameter $w$, at most 0.9%; uncertainty due to the matter
density $Omega_M$, at most 0.5% and uncertainty due to the curvature parameter
$Omega_k$, at most 0.07%.
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