2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/188689We propose an interpretation of the cosmological constant puzzle - i.e., the enormous value of the ratio $ρ_{Pl}/ρ_{vac} \approx 10^{120} $- in terms of the total number of gravitons in the observable universe based on a recently discovered relationship between $Λ$ and the mass $m_{g}$ of the graviton.Astrophysicstext