the planet jupiter has nine moons
21chronology — /kreuh nol euh jee/, n., pl. chronologies. 1. the sequential order in which past events occur. 2. a statement of this order. 3. the science of arranging time in periods and ascertaining the dates and historical order of past events. 4. a… …
22Io — /uy oh, ee oh/, n. 1. Class. Myth. a woman who, being loved by Zeus, was transformed into a white heifer and was, at the wish of Hera, first guarded by Argus and later pursued through the world by a gadfly until she reached Egypt, where she… …
23solar system — the sun together with all the planets and other bodies that revolve around it. [1695 1705] * * * The Sun, its planets, and the small bodies (see asteroid, Centaur object, comet, Kuiper belt, meteorite, and Oort cloud) interplanetary dust and gas… …
24Planets beyond Neptune — Planet X redirects here. For the Planet X doomsday scenario, see Nibiru collision. For other uses, see Planet X (disambiguation). Trans Neptunian planets redirects here. For dwarf planets and small bodies discovered beyond Neptune, see Trans… …
25Extraterrestrial atmospheres — The study of extraterrestrial atmospheres is an active field of research, [cite web| title=Department of Atmospheric Science, University of Washington | url=http://www.atmos.washington.edu/academic/planets.html | accessdate=2007 05 24] both as an …
26Stars and planetary systems in fiction — The planetary systems of stars other than the Sun and the Solar System are a staple element in much science fiction. Contents 1 Overview 1.1 The brightest stars …
27Hindu chronology — The subject of Hindu chronology divides naturally into three parts: the calendar, the eras, and other reckonings. The Calendar The Hindus have had, from very ancient times, the system of lunisolar cycles, made by the combination of solar years,… …
28Exploration of Uranus — The exploration of Uranus has been solely through the Voyager 2 spacecraft, with no other visits currently planned. The closest approach to Uranus occurred on January 24, 1986. Voyager 2 discovered 10 previously unknown moons; studied the planet… …
29Geology of solar terrestrial planets — The geology of solar terrestrial planet mainly deals with the geological aspects of four planets of the Solar system namely, Mercury, Venus, Earth and Mars and one terrestrial dwarf planet, Ceres. Objects like Pluto are similar to terrestrial… …
30List of Heinlein planets — The following planets appear in the fictional works of Robert A. Heinlein.Citizen of the Galaxy* Akka A planet where Creighton and Martha Rudbek were last seen alive. * Far Star mdash; The planet Creighton and Martha Rudbek were headed to after… …
