2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/85487In this paper, we prove that two different observers don't equally measure the distance between two points A and B. For this, we introduce some postulates and obtain a new formula to show distance between A and B. In this formula, radius of universe, n, is entered such that if n tends to infinity the ordinary distance is obtained.9 pages, 12 embedded figuresGeneral Physics83D05; 78A02Relativistic Distancetext