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

Uranus :: Uranus (n.) One of the primary planets. It is about 1,800,000,000 miles from the sun, about 36,000 miles in diameter, and its period of revolution round the sun is nearly 84 of our years..
Planetary :: Planetary (a.) Having the nature of a planet; erratic; revolving; wandering.
Intramercurial :: Intramercurial (a.) Between the planet Mercury and the sun; -- as, the hypothetical Vulcan is intramercurial..
Jovial :: "Jovial (a.) Of or pertaining to the god, or the planet, Jupiter..
Zodiacal :: Zodiacal (a.) Of or pertaining to the zodiac; situated within the zodiac; as, the zodiacal planets..
Planetoidal :: Planetoidal (a.) Pertaining to a planetoid.
Revolution :: Revolution (n.) The motion of any body, as a planet or satellite, in a curved line or orbit, until it returns to the same point again, or to a point relatively the same; -- designated as the annual, anomalistic, nodical, sidereal, or tropical revolution, according as the point of return or completion has a fixed relation to the year, the anomaly, the nodes, the stars, or the tropics; as, the revolution of the earth about the sun; the revolution of the moon about the earth..
Asteroid :: Asteroid (n.) A starlike body; esp. one of the numerous small planets whose orbits lie between those of Mars and Jupiter; -- called also planetoids and minor planets.
Biquintile :: Biquintile (n.) An aspect of the planets when they are distant from each other by twice the fifth part of a great circle -- that is, twice 72 degrees..
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..
Splendent :: Splendent (a.) Shining; glossy; beaming with light; lustrous; as, splendent planets; splendent metals. See the Note under 3d Luster, 4..
Erratic :: Erratic (a.) Having no certain course; roving about without a fixed destination; wandering; moving; -- hence, applied to the planets as distinguished from the fixed stars..
Jovicentric :: Jovicentric (a.) Revolving around the planet Jupiter; appearing as viewed from Jupiter.
Belt :: Belt (n.) One of certain girdles or zones on the surface of the planets Jupiter and Saturn, supposed to be of the nature of clouds..
Venus :: Venus (n.) One of the planets, the second in order from the sun, its orbit lying between that of Mercury and that of the Earth, at a mean distance from the sun of about 67,000,000 miles. Its diameter is 7,700 miles, and its sidereal period 224.7 days. As the morning star, it was called by the ancients Lucifer; as the evening star, Hesperus..
Ortive :: Ortive (a.) Of or relating to the time or act of rising; eastern; as, the ortive amplitude of a planet..
Inequality :: Inequality (n.) An irregularity, or a deviation, in the motion of a planet or satellite from its uniform mean motion; the amount of such deviation..
Curtate :: Curtate (a.) Shortened or reduced; -- said of the distance of a planet from the sun or earth, as measured in the plane of the ecliptic, or the distance from the sun or earth to that point where a perpendicular, let fall from the planet upon the plane of the ecliptic, meets the ecliptic..
Conjunction :: Conjunction (n.) The meeting of two or more stars or planets in the same degree of the zodiac; as, the conjunction of the moon with the sun, or of Jupiter and Saturn. See the Note under Aspect, n., 6..
Planetic :: Planetic (a.) Alt. of Planetica.
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