Far beyond Earth in the solar nebula lies an ice belt and beyond that lay the four Jovian planets. They are Jupiter, Saturn, Uranus and Neptune. Jovian means "Jupiter- like" in which the rest of do coincide with the name. Uranus Neptune and Saturn, all carry the same traits as Jupiter. are large gas giants that contain mainly a thick atmosphere of Hydrogen and helium. These planets do not have solid surfaces, rather they just get denser with depth. They contain high mass and are usually anywhere from 15 to 318 times the mass of earth. Th ....