2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/582Cartan torsion contribution to Sachs-Wolfe effect in the inflationary phase of the Universe is discussed.From the COBE data of the microwave anisotropy is possible to compute the spin-density in the Universe as $10^{16}$ mks units.The spin-density fluctuations at the hadron era is shown to coincide with the anisotropy temperature fluctuations.Latex file 4.46 KbAstrophysicstext