Grapes are typically an ellipsoid shape resembling a prolate spheroid. Rugby union uses an oval ball (a prolate spheroid). The rugby ball used in rugby union is a prolate spheroid essentially elliptical in profile. The ball used in rugby union is a prolate spheroid essentially elliptical in profile. Rugby league is played with a prolate spheroid shaped football which is inflated with nitrogen. Rugby league is played with a prolate spheroid shaped football which is inflated with air. The atomic nuclei of the actinide elements are shaped like prolate spheroids. Viruses in Polydnaviridae are enveloped, with prolate ellipsoid and cylindrical geometries. Many submarines have a shape which can be described as prolate spheroid. The ratio of axes of Rosalind's prolate spheroid is 0.8-1.0. It appears to be a prolate spheroid with strong concentrations of material along its equator. The building has non-traditional narrow and prolate main portal along with two lateral entrances.