observations are in tens of Mpc, much higher that at z ~ 0. The most ... Reionization, the Cosmic Renaissance The appearance of first luminous sources at z ~ 20 a 30 ends the cosmic dark ages which start at the recombination, at z ~ 1100.
|Title||:||Proceedings of the Tenth Marcel Grossmann Meeting on General Relativity|
|Author||:||M. Novello, Santiago E. Perez Bergliaffa, Remo Ruffini|
|Publisher||:||World Scientific - 2005|