luni-solar precession

См. также в других словарях:

• luni-solaire — ● luni solaire, luni solaires adjectif Qui a rapport à la fois à la Lune et au Soleil. ● luni solaire, luni solaires (expressions) adjectif Année luni solaire, année calculée sur la révolution de la Lune, mise en accord avec l année solaire.… …   Encyclopédie Universelle

• chronology — /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… …   Universalium

• Calendar — For other uses, see Calendar (disambiguation). For the Gregorian calendar for this year, see Common year starting on Saturday. A page from the Hindu calendar 1871–1872. A calendar is a system of organizing days for social, religious, commercial,… …   Wikipedia

• Almagest — Geometric construction used by Hipparchus in his determination of the distances to the sun and moon. The Almagest is a 2nd century mathematical and astronomical treatise on the apparent motions of the stars and planetary paths. Written in Greek… …   Wikipedia

• Egypt — • Provides information on history, religion, and literature Catholic Encyclopedia. Kevin Knight. 2006. Egypt     Egypt     † …   Catholic encyclopedia

• Orbital station-keeping — In astrodynamics orbital station keeping is a term used to describe the orbital maneuvers made by thruster burns that are needed to keep a spacecraft in a particular assigned orbit. For many Earth satellites the effects of the non Keplerian… …   Wikipedia

• History of science in Classical Antiquity — The history of science in Classical Antiquity begins with the search for practical knowledge. In Antiquity, the inquiry into the workings of the universe took place both in investigations aimed at such practical goals as establishing a reliable… …   Wikipedia

• ASTRODYNAMIQUE — L’astrodynamique est la science qui s’attache à expliciter la dynamique des astres et des forces qui les font se mouvoir. Par extension, la dynamique des satellites artificiels lui est assimilée. On peut dès lors définir l’astrodynamique comme la …   Encyclopédie Universelle

• Weekday names — Days of the week redirects here. For the song by Stone Temple Pilots, see Days of the Week (song). The names of the days of the week from the Roman period have been both named after the seven planets of classical astronomy and numbered, beginning …   Wikipedia

• Lune — Pour les articles homonymes, voir Lune (homonymie). Cet article concerne la Lune, satellite naturel de la Terre. Pour les lunes d autres planètes, voir satellite naturel. Lune …   Wikipédia en Français

• Eclipse solaire — Éclipse solaire Photo de l éclipse totale de 1999. Une éclipse solaire se produit lorsque la Lune se place devant le Soleil, occultant totalement ou partiellement l image du Soleil depuis la Terre. Cette configuration peut se produire uniquement… …   Wikipédia en Français