Definition of planet

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Planet (n.) A celestial body which revolves about the sun in an orbit of a moderate degree of eccentricity. It is distinguished from a comet by the absence of a coma, and by having a less eccentric orbit. See Solar system..

Lern More About Planet

Saturnicentric :: Saturnicentric (a.) Appearing as if seen from the center of the planet Saturn; relating or referred to Saturn as a center.
Jovial :: "Jovial (a.) Of or pertaining to the god, or the planet, Jupiter..
Jupiter :: "Jupiter (n.) One of the planets, being the brightest except Venus, and the largest of them all, its mean diameter being about 85,000 miles. It revolves about the sun in 4,332.6 days, at a mean distance of 5.2028 from the sun, the earth's mean distance being taken as unity..
Bind :: Bind (v. t.) To confine, restrain, or hold by physical force or influence of any kind; as, attraction binds the planets to the sun; frost binds the earth, or the streams..
Epoch :: Epoch (n.) An arbitrary fixed date, for which the elements used in computing the place of a planet, or other heavenly body, at any other date, are given; as, the epoch of Mars; lunar elements for the epoch March 1st, 1860..
Eclipse :: Eclipse (n.) An interception or obscuration of the light of the sun, moon, or other luminous body, by the intervention of some other body, either between it and the eye, or between the luminous body and that illuminated by it. A lunar eclipse is caused by the moon passing through the earth's shadow; a solar eclipse, by the moon coming between the sun and the observer. A satellite is eclipsed by entering the shadow of its primary. The obscuration of a planet or star by the moon or a planet, thoug
Primum Mobile :: Primum mobile () In the Ptolemaic system, the outermost of the revolving concentric spheres constituting the universe, the motion of which was supposed to carry with it all the inclosed spheres with their planets in a daily revolution from east to west. See Crystalline heavens, under Crystalline..
Planetic :: Planetic (a.) Alt. of Planetica.
Planetarium :: Planetarium (n.) An orrery. See Orrery.
Anomalistical :: Anomalistical (a.) Pertaining to the anomaly, or angular distance of a planet from its perihelion..
Primary :: Primary (n.) A primary planet; the brighter component of a double star. See under Planet.
Octant :: Octant (n.) The position or aspect of a heavenly body, as the moon or a planet, when half way between conjunction, or opposition, and quadrature, or distant from another body 45 degrees..
Talisman :: Talisman (n.) A magical figure cut or engraved under certain superstitious observances of the configuration of the heavens, to which wonderful effects are ascribed; the seal, figure, character, or image, of a heavenly sign, constellation, or planet, engraved on a sympathetic stone, or on a metal corresponding to the star, in order to receive its influence..
Planeted :: Planeted (a.) Belonging to planets.
Phase :: Phase (n.) A particular appearance or state in a regularly recurring cycle of changes with respect to quantity of illumination or form of enlightened disk; as, the phases of the moon or planets. See Illust. under Moon..
Perturbation :: Perturbation (n.) A disturbance in the regular elliptic or other motion of a heavenly body, produced by some force additional to that which causes its regular motion; as, the perturbations of the planets are caused by their attraction on each other..
Circumjovial :: Circumjovial (n.) One of the moons or satellites of the planet Jupiter.
Celidography :: Celidography (n.) A description of apparent spots on the disk of the sun, or on planets..
Planetoidal :: Planetoidal (a.) Pertaining to a planetoid.
Umbra :: Umbra (n.) The conical shadow projected from a planet or satellite, on the side opposite to the sun, within which a spectator could see no portion of the sun's disk; -- used in contradistinction from penumbra. See Penumbra..
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