Showing 2000Show all
2 papers · 1 filter
astro-ph2000
Cosmochemistry in the early Universe
Denis Puy
At early times the Universe was filled up with an extremely dense and hot gas. Due to the expansion it cooled below the binding energies of atoms which led to the formation of the…
astro-ph2000
Shape and geometry of galaxy clusters and the SZ effect
L. Grenacher, R. Piffaretti, D. Puy +2
We discuss the influence of the finite extension and the geometry of clusters of galaxies, as well as of the polytropic temperature profile, on the determination of the Hubble cons…