Definition of paloverde. 1  1 : any of several small spiny trees or shrubs (genus Cercidium) of the legume family that have greenish branches and are found chiefly in dry regions of the southwestern U.S. and Mexico. 2  2 : jerusalem thorn.
Composition. Jupiter is mainly composed of gases primarily hydrogen and helium. Hydrogen makes up most of the gases with a mass composition of 75% while helium is a quarter of its mass of about 24%.The remaining one percent consists of other elements.upiter is mainly composed of gases primarily hydrogen and helium. Hydrogen makes up most of the gases with a mass composition of 75% while helium is a quarter of its mass of about 24%. The remaining one percent consists of other elements.
Neptune's composition is probably similar to Uranus': various ices and rock with about 15% hydrogen and a little helium. Like Uranus, but unlike Jupiter and Saturn, it may not have a distinct internal layering but rather to be more or less uniform in composition.