what is uranus composed of
The ice giant Uranus is certainly different from other gas giants such as Jupiter and Saturn, which are both mostly composed of helium and hydrogen.Uranus is composed, mostly of various ices such as methane and ammonia.Its mass has been approximated at 14.5 times that of Earth. Astronomers believe that 9.3 and 13.5 Earth masses of this are actually comprised of the aforementioned ices.ranus is composed, mostly of various ices such as methane and ammonia. Its mass has been approximated at 14.5 times that of Earth. Astronomers believe that 9.3 and 13.5 Earth masses of this are actually comprised of the aforementioned ices.