2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/14274Astrophysical and cosmological consequences of a standard $ν_τ$ of (15 +- 3) keV/c^{2} mass are discussed in the light of the recent results of the solar, atmospheric and LSND neutrino experiments and theoretical prejudices.Talk presented at 17th International Workshop on Weak Interactions and Neutrinos (WIN'99), Cape Town, South Africa, 24-30 Jan 1999. 7 Pages, 1 FigureAstrophysicsHigh Energy Physics - Phenomenologytext