2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/171056In this paper we simulate a two dimensional relativistic ideal gas by implementing a relativistic elastic binary collision algorithm. We show that the relativistic gas faithfully obeys Jüttner's speed distribution function. Furthermore, using this numeric simulation in conjunction with the energy equipartition theorem for a relativistic gas, we conclude that a moving system appears cooler.4 pages, 4 figures. One figure added, binary relativistic collisions are explained in more detail, minor typos correctedGeneral Relativity and Quantum CosmologyHigh Energy Physics - TheoryNumeric Experiments in Relativistic Thermodynamics: A Moving System Appears Coolertext