planetary motions

См. также в других словарях:

• Planetary — Plan et*a*ry, a. [Cf. L. planetarius an astrologer, F. plan[ e]taire planetary. See {Planet}.] 1. Of or pertaining to the planets; as, planetary inhabitants; planetary motions; planetary year. [1913 Webster] 2. Consisting of planets; as, a… …   The Collaborative International Dictionary of English

• Planetary days — Planetary Plan et*a*ry, a. [Cf. L. planetarius an astrologer, F. plan[ e]taire planetary. See {Planet}.] 1. Of or pertaining to the planets; as, planetary inhabitants; planetary motions; planetary year. [1913 Webster] 2. Consisting of planets; as …   The Collaborative International Dictionary of English

• Planetary nebula — Planetary Plan et*a*ry, a. [Cf. L. planetarius an astrologer, F. plan[ e]taire planetary. See {Planet}.] 1. Of or pertaining to the planets; as, planetary inhabitants; planetary motions; planetary year. [1913 Webster] 2. Consisting of planets; as …   The Collaborative International Dictionary of English

• Planetary boundary layer — Depiction of where the planetary boundary layer lies on a sunny day The planetary boundary layer (PBL), also known as the atmospheric boundary layer (ABL), is the lowest part of the atmosphere and its behavior is directly influenced by its… …   Wikipedia

• Kepler's laws of planetary motion — ▪ astronomy       in astronomy and classical physics, laws describing the motions of the planets in the solar system. They were derived by the German astronomer Johannes Kepler, whose analysis of the observations of the 16th century Danish… …   Universalium

• Ravigneaux planetary gearset — The Ravigneaux gearset is a double planetary gear set commonly used in automatic transmissions. This planetary gear set is constructed from two gear pairs, ring planet and planet planet. The Ravigneaux set has two sun gear wheels, a large sun and …   Wikipedia

• cosmos — /koz meuhs, mohs/, n., pl. cosmos, cosmoses for 2, 4. 1. the world or universe regarded as an orderly, harmonious system. 2. a complete, orderly, harmonious system. 3. order; harmony. 4. any composite plant of the genus Cosmos, of tropical… …   Universalium

• celestial mechanics — the branch of astronomy that deals with the application of the laws of dynamics and Newton s law of gravitation to the motions of heavenly bodies. [1815 25] * * * Branch of astronomy that deals with the mathematical theory of the motions of… …   Universalium

• Philosophiæ Naturalis Principia Mathematica —   Title page of Principia , first edition (1687) Original title …   Wikipedia

• physical science — physical scientist. 1. any of the natural sciences dealing with inanimate matter or with energy, as physics, chemistry, and astronomy. 2. these sciences collectively. [1835 45] * * * Introduction       the systematic study of the inorganic world …   Universalium

• Science and mathematics from the Renaissance to Descartes — George Molland Early in the nineteenth century John Playfair wrote for the Encyclopaedia Britannica a long article entitled ‘Dissertation; exhibiting a General View of the Progress of Mathematics and Physical Science, since the Revival of Letters …   History of philosophy