2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/140625We calculate the large scale polarization of the cosmic microwave background induced by the anisotropy of the spatial geometry of our universe. Assuming an eccentricity at decoupling of about $0.64 10^{-2}$, we find $ΔT_{pol}/ T_0 \simeq 0.53 10^{-6}$ quite close to the average level of polarization detected by the Wilkinson Microwave Anisotropy Probe.revised version, 9 pagesAstrophysicsGeneral Relativity and Quantum CosmologyHigh Energy Physics - Phenomenologytext