Look up: comet

1. Comet
   A comet is a celestial body that orbits around the sun. Its tail of gas and dust always points away from the sun .
   Found on http://www.enchantedlearning.com/subject
   
   
2. comet
   A chunk of frozen gasses, ice, and rocky debris that orbits the Sun. A comet nucleus is about the size of a mountain on earth. When a comet nears the Sun, heat vaporizes the icy material producing a cloud of gaseous material surrounding the nucleus, called a coma. As the nucleus begins to disintegra...
   Found on http://antwrp.gsfc.nasa.gov/apod/lib/glo
   
   
3. Comet
   A diffuse body of solid particles and gas, which orbits the Sun. The orbit is usually highly elliptical or even parabolic. Comets are unstable bodies with masses of the order of 10^18 g whose average lifetime is about 100 perihelion passages. Periodic comets comprise only ~4% of all known comets. Pe...
   Found on http://www.imo.net/glossary
   
   
4. comet
   [n] - (astronomy) a relatively small extraterrestrial body consisting of a frozen mass that travels around the sun in a highly elliptical orbit
   Found on http://www.webdictionary.co.uk/definitio
   
   
5. COMET
   Cornell Macintosh Terminal Emulator
   Found on http://www.encyclo.co.uk/visitor-contrib
   
   
6. Comet
   Solid, frozen lifeless objects made of dirty ice and gas. They are notourius for their long two tails made of gas.
   Found on http://www.solarspace.co.uk/Glossary.php
   
   
7. Comet
   An icy object in independent orbit about the Sun; smaller than a planet, usually having a highly elliptical orbit extending out to beyond Jupiter.
   Found on http://www.encyclo.co.uk/visitor-contrib
   
   
8. Comet
   A chunk of frozen gasses, ice, and rocky debris that orbits the Sun. A comet nucleus is about the size of a mountain on earth. When a comet nears the Sun, heat vaporizes the icy material producing a cloud of gaseous material surrounding the nucleus, called a coma. As the nucleus begins to disintegra...
   Found on http://www.diracdelta.co.uk/science/sour
   
   
9. Comet
   British cruiser tank, equipped with the Christie large wheel suspension and carried a 77 mm gun. It was first used March 1945 after the British had crossed the Rhine and remained in service for many...
   Found on http://www.encyclo.co.uk/local/20688
   
   
10. Comet
    Passenger Jet [UK], Medium Tank [UK]
    Found on http://www.jedsite.info/index.html
    
    
11. comet
    comets. Small bodies that are members of the solar system and move in very elongated orbits. Category: The cosmos
    Found on http://www.mijnwoordenboek.nl/definition
    
    
12. Comet
    Com'et noun [ Latin cometes , cometa , from Greek ... comet, prop. long-haired, from ... to wear long hair, from ... hair, akin to Latin coma : confer French comète .] (Astron.) A member of the solar system which usua...
    Found on http://www.encyclo.co.uk/webster/C/114
    
    
13. comet
    noun (astronomy) a relatively small extraterrestrial body consisting of a frozen mass that travels around the sun in a highly elliptical orbit
    Found on http://wordnetweb.princeton.edu/perl/web
    
    
14. Comet
    • (n.) A member of the solar system which usually moves in an elongated orbit, approaching very near to the sun in its perihelion, and receding to a very great distance from it at its aphelion. A comet commonly consists of three parts: the nucleus, the envelope, or coma, and the tail; but one o...
    Found on http://thinkexist.com/dictionary/meaning
    
    
15. Comet
    (from the article `aerospace engineering`) Commercial aircraft after World War II continued to use the more economical propeller method of propulsion. The efficiency of the jet engine was ... ...the British air-transport industry, and among the suggestions was a specification for a transatlantic mailplane. De Havilland began design stud...
    Found on http://www.britannica.com/eb/a-z/c/114
    
    
16. Comet
    (from the article `Bell, Henry`) ...in 1790, settled in Glasgow as a carpenter, and later moved to Helensburgh. In 1800 he submitted proposals to the British Admiralty for ...
    Found on http://www.britannica.com/eb/a-z/c/114
    
    
17. comet
    any of a class of small celestial objects orbiting the Sun and developing diffuse gaseous envelopes and often long luminous tails when near the Sun. ... [23 related articles]
    Found on http://www.britannica.com/eb/a-z/c/114
    
    
18. Comet
    HMS Comet was a British C Class destroyer of 1710 tons displacement launched in 1944. HMS Comet was powered by two Admiralty 3-drum type boilers providing a top speed of 34 knots and carried a crew of 186. She was armed with four 4.5 inch dual-purpose guns; four 40 mm anti-aircraft guns; six 20 mm anti-aircraft guns; four 21-inch torpedo tubes.
    Found on http://www.probertencyclopaedia.com/brow
    
    
19. comet
    comet [Gr.,=longhaired], a small celestial body consisting mostly of dust and gases that moves in an elongated elliptical or nearly parabolic orbit around the sun. Comets visible from the earth can be seen for periods ranging from a few days to several months. They were long regarded with awe and ev...
    Found on http://www.infoplease.com/ce6/sci/A08130
    
    
20. Comet
    A comet is a small body orbiting the sun on an elliptical path with a long tail of dust and ice.
    Found on http://www.probertencyclopaedia.com/brow
    
    
21. Comet
    The Comet was a British cruiser tank, equipped with the Christie large wheel suspension and armed with a 77 mm gun. It was first used in March 1945 after the British had crossed the Rhine and remained in service for many years after the war. Its greatest asset was its reliability.
    Found on http://www.probertencyclopaedia.com/brow
    
    
22. comet
    Small, icy body orbiting the Sun, usually on a highly elliptical path that takes it beyond the dwarf planet Pluto. A comet consists of a central nucleus a few kilometres across and is made mostly of ice mixed with gas and dust. As a comet approaches the Sun its nucleus heats up, releasing gas and dus...
    Found on http://www.talktalk.co.uk/reference/ency
    
    
23. comet
    an object made of dust and frozen gases that orbits the Sun.
    Found on http://www.kidseclipse.com/pages/glossar
    
    
24. Comet
    A `comet` is an icy, small Solar System body which, when close enough to the Sun, displays a visible coma (a thin, fuzzy, temporary atmosphere) and sometimes also a tail. These phenomena are both due to the effects of solar radiation and the solar wind upon the nucleus of the comet. Comet nuclei ran...
    Found on http://en.wikipedia.org/wiki/Comet
    
    
25. Comet
    (disambiguation) A `comet` is a small astronomical body which orbits the sun. It may also refer to: Animals: In fiction and legend: `In comic-books characters` `In television` Publications: Roller coasters: In sports: `Mascots and teams` `Teams` In transportation and military and naval craft:...
    Found on http://en.wikipedia.org/wiki/Comet