galactic orbit
71galaxy — /gal euhk see/, n., pl. galaxies. 1. Astron. a. a large system of stars held together by mutual gravitation and isolated from similar systems by vast regions of space. b. (usually cap.) See Milky Way. 2. any large and brilliant or impressive… …
72Sagittarius Dwarf Elliptical Galaxy — Infobox Galaxy caption = name = Sagittarius Dwarf Elliptical Galaxycite web title=SIMBAD Astronomical Database work=Results for Sagittarius Dwarf Spheroidal url=http://simbad.u strasbg.fr/Simbad accessdate=2006 11 28 ] epoch = J2000 type =… …
73List of societies of the Culture setting — Various fictional societies are depicted in the Culture stories of Iain M. Banks. For the Culture itself, see The Culture. Contents 1 Affront 1.1 Physique 1.2 History 2 Azadians …
74Spiritual Hierarchy — Part of a series on Theosophy Founders of the T. S. Helena Blavatsky · …
75Tide — This article is about tides in the Earth s oceans. For other uses, see Tide (disambiguation). Tidal redirects here. For other uses, see Tidal (disambiguation). High Tide redirects here. For other uses, see High Tide (disambiguation) …
76Star — For other uses, see Star (disambiguation) …
77Health threat from cosmic rays — The health threat from cosmic rays is the danger posed by cosmic rays generated by the Sun and other stars to astronauts on interplanetary missions.Cosmic rays consists of high energy protons and other nuclei.They are one of the most important… …
78Nicholas Mayall — Nicholas U. Mayall Born …
79Rare-Earth-Hypothese — Sind Planeten, die Leben ermöglichen wie die Erde, selten? Die Rare Earth Hypothese (dt. Seltene Erde Hypothese) vertritt den Standpunkt, dass beim Auftauchen und der Entwicklung von komplexem Vielzeller Leben (Metazoa) auf der Erde sehr… …
80Commercialization of space — A DIRECTV satellite dish on a roof Commercialization of space is the use of equipment sent into or through outer space to provide goods or services of commercial value, either by a corporation or state. Examples of the commercial use of space… …
