celestial+sphere
71celestial globe — n. a globe on which the stars, constellations, etc. are depicted in their proper relative positions in the sky * * * ▪ astronomy representation of stars and constellations as they are located on the apparent sphere of the sky. Celestial… …
72sphere — ► NOUN 1) a round solid figure in which every point on the surface is equidistant from the centre. 2) each of a series of revolving concentrically arranged spherical shells in which celestial bodies were formerly thought to be set in a fixed… …
73sphere-born — sphereˈ born adjective (Milton) Of celestial origin • • • Main Entry: ↑sphere …
74celestial 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… …
75sphere — n. & v. n. 1 a solid figure, or its surface, with every point on its surface equidistant from its centre. 2 an object having this shape; a ball or globe. 3 a any celestial body. b a globe representing the earth. c poet. the heavens; the sky. d… …
76-sphere — comb. form 1 having the form of a sphere (bathysphere). 2 a region round the earth (atmosphere). * * * a combining form of sphere (planisphere); having a special use in the names of the layers of gases and the like surrounding the earth and other …
77sphere — noun 1》 a round solid figure, with every point on its surface equidistant from its centre. 2》 each of a series of revolving concentrically arranged spherical shells in which celestial bodies were formerly thought to be set in a fixed relationship …
78celestial navigation — navigation by means of observations made of the apparent position of heavenly bodies. Also called astronavigation, celo navigation. [1935 40] * * * use of the observed positions of celestial bodies to determine a navigator s position. At… …
79Celestial Matters — infobox Book | name = Celestial Matters image caption = First American edition cover author = Richard Garfinkle cover artist = Bob Eggleton country = United States language = English genre = Science fiction novel, Alternate history novel… …
80Sphere of influence (astrodynamics) — A sphere of influence (SOI) in astrodynamics and astronomy is the spherical region around a celestial body where the primary gravitational influence on an orbiting object is that body. This is usually used to describe the areas in our solar… …
