Jupiter and liquid matter. It is the largest of the four giant planets in the Solar System and hence its largest planet. It has a diameter of at its equator. The average density of Jupiter, 1.326 g/cm, is the second highest of the giant planets, but lower than those of the four terrestrial planets. Jupiter's upper atmosphere is about 88–92% hydrogen and 8–12% helium by percent volume of gas molecules. A helium atom has about four times as much mass as a hydrogen atom, so the composition changes when described as the proportion of mass contributed by different atoms. Thus, Jupiter's
Planets and habitats of the Night's Dawn trilogy habitat to be germinated, after Eden. A floating habitat on Atlantis, captured by the possessed before being destroyed by Laton to stop them spreading to other habitats. A habitat orbiting Murora, in the Lalonde system. Habitat orbiting a gas giant of the Ross 154 system, the same primary as Felicity's. It was the first Edenist extra-Solar habitat. Orbits Saturn. One of the two Voidhawk bases. Orbits Saturn. One of the two Voidhawk bases. Planets and habitats of the Night's Dawn trilogy This article describes the major planets and space habitats of the Night's Dawn Trilogy. The only planet colonised by