comet definition

  • noun:
    • A celestial human anatomy, noticed only in that part of its orbit this is certainly reasonably near the sun, having a head comprising a solid nucleus enclosed by a nebulous coma as much as 2.4 million kilometers (1.5 million miles) in diameter and an elongated curved vapor tail as a result of the coma when adequately close to the sunshine. Comets are believed to comprise chiefly of ammonia, methane, carbon dioxide, and liquid.
    • A celestial body consisting mainly of ice, dust and gasoline in a (usually extremely eccentric) orbit all over Sun and achieving a "tail" of matter blown straight back from this by the solar wind because it approaches the sunlight.
    • A celestial trend with the look written by the orbiting celestial human body.
    • a part of the solar system which will moves in an elongated orbit, approaching really near the sunlight with its perihelion, and receding to a rather long way from this at its aphelion. A comet commonly is made of three parts: the nucleus, the envelope, or coma, and end; but several of these parts is generally desiring. See Illustration in Appendix.
    • One of a course of celestial systems which move concerning the sun in greatly elongated orbits, frequently elliptical or parabolic.
    • In heraldry, same as blazing-star.
    • among a team of humming-birds with long forked tails: as, the Sappho comet, Cometes sappho; the Phaon comet, Cometes phaon.
    • a game title of cards, somewhat like speculation, invented and well-known in the reign of Louis XV. of France.
    • In photography, a comet-shaped defect showing up on gelatin dry dishes.
    • (astronomy) a comparatively little extraterrestrial body composed of a frozen size that travels around the sunlight in an extremely elliptical orbit
    • A celestial human anatomy, noticed just for the reason that part of its orbit that is fairly near to the sunlight, having a head consisting of a solid nucleus enclosed by a nebulous coma to 2.4 million kilometers (1.5 million miles) in diameter and an elongated curved vapor tail as a result of the coma whenever sufficiently near to the sun. Comets are believed to comprise chiefly of ammonia, methane, carbon-dioxide, and water.
    • A celestial body consisting mainly of ice, dirt and gas in a (usually very eccentric) orbit all over sunlight and having a "tail" of matter blown right back from this by the solar power wind since it draws near sunlight.
    • A celestial event using the look provided by the orbiting celestial human anatomy.
    • an associate of this solar power system which will moves in an elongated orbit, approaching really near to the sunshine with its perihelion, and receding to a tremendously long way from this at its aphelion. A comet generally is comprised of three parts: the nucleus, the envelope, or coma, therefore the end; but a number of among these parts is frequently wanting. See Illustration in Appendix.
    • among a course of celestial bodies which move about the sunshine in considerably elongated orbits, frequently elliptical or parabolic.
    • In heraldry, just like blazing-star.
    • certainly one of a small grouping of humming-birds with long forked tails: as, the Sappho comet, Cometes sappho; the Phaon comet, Cometes phaon.
    • a game title of cards, somewhat like speculation, devised and preferred when you look at the reign of Louis XV. of France.
    • In photography, a comet-shaped problem showing up on gelatin dry plates.
    • (astronomy) a somewhat tiny extraterrestrial body comprising a frozen size that moves across the sun in an extremely elliptical orbit

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