planetary
71Planetary Grand Tour — Trajectoires du programme Voyager, version allégée (pour des raisons budgétaires) du Grand Tour . Le Planetary Grand Tour (Grand tour planétaire) était un programme d exploration planétaire ambitieux de la NASA consistant à envoyer des sondes… …
72Planetary Science Decadal Survey — Le Planetary Science Decadal Survey (Étude décennale sur les sciences planétaires) est une publication du Conseil National de la Recherche des États Unis, réalisée tous les dix ans, qui fait un état des lieux de la recherche dans le domaine des… …
73Planetary Database System — The Planetary Data System (PDS) is a system sponsored by NASA s Office of Space Science that archives and distributes scientific data from NASA planetary missions, astronomical observations, and laboratory measurements. Its purpose is to ensure… …
74Planetary data for Uranus — ▪ Table Planetary data for Uranus mean distance from Sun 2,870,990,000 km (19.2 AU) eccentricity of orbit 0.0461 inclination of orbit to ecliptic 0.774° Uranian year (sidereal period of revolution) 84.01 Earth years visual magnitude at mean… …
75Planetary data for Neptune — ▪ Table Planetary data for Neptune mean distance from Sun 4,498,250,000 km (30.1 AU) eccentricity of orbit 0.0086 inclination of orbit to ecliptic 1.77° Neptunian year (sidereal period of revolution) 163.72 Earth years visual magnitude at mean… …
76Planetary data for Saturn — ▪ Table Planetary data for Saturn mean distance from Sun 1,427,000,000 km (9.5 AU) eccentricity of orbit 0.054 inclination of orbit to ecliptic 2.5° Saturnian year (sidereal period of revolution) 29.44 Earth years visual magnitude at mean… …
77Planetary data for Jupiter — ▪ Table Planetary data for Jupiter mean distance from Sun 778,000,000 km (5.2 AU) eccentricity of orbit 0.049 inclination of orbit to ecliptic 1.3° Jovian year (sidereal period of revolution) 11.86 Earth years visual magnitude at mean opposition… …
78planetary winds — Wind patterns that prevail over large regions, planetary in size and on the average fairly constant in direction. Also called terrestrial winds. Planetary winds …
79planetary gear set — A central externally toothed sun gear, an internally toothed outer ring gear, and several intermediate planet gears which are evenly spaced and supported by a planet carrier; they are in constant mesh with the sun gear and the internal gear See… …
80Planetary aberration — Aberration Ab er*ra tion, n. [L. aberratio: cf. F. aberration. See {Aberrate}.] 1. The act of wandering; deviation, especially from truth or moral rectitude, from the natural state, or from a type. The aberration of youth. Hall. Aberrations from… …
