2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/68389The figure eight is a remarkable solution to the Newtonian three-body problem in which the three equal masses chase each around a planar curve having the qualitative shape and symmetries of a figure eight. Here we prove that each lobe of this eight is convex.12 pages, 5 figuresDynamical SystemsMathematical Physics70F07text