- Long Period Comets
- Comets that take over 200 years to circle the Sun.See Oort Cloud and Short Period Comets.
The writer's dictionary of science fiction, fantasy, horror and mythology. 2014.
Long Period Comets
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Short Period Comets — Comets that take less than 200 years to orbit the Sun. See Kuiper Belt and Long Period Comets … The writer's dictionary of science fiction, fantasy, horror and mythology
long-period — adjective Taking over 200 years to complete an orbit, especially said of comets … Wiktionary
Period — How comets are classified. A period is the length of time it takes a comet to travel once around the sun. Short period comets can complete one cycle in 3.3 years, while very long period comets can take thousands of years to complete one orbit … The writer's dictionary of science fiction, fantasy, horror and mythology
List of non-periodic comets — Non periodic comets (or long period comets) are comets that do not have confirmed observations at more than one perihelion passage,[1] and thus generally have orbital periods of 200 years or more. They include single apparition comets that pass… … Wikipedia
Bill Haley & His Comets — Infobox musical artist Name = Bill Haley His Comets Img capt = The original members of Bill Haley and His Comets, c. 1952. Left to right: Marshall Lytle, Johnny Grande, Bill Haley, Billy Williamson. Background = group or band Birth name = Alias … Wikipedia
Comet — This article is about the astronomical object. For other uses, see Comet (disambiguation). Comet Hale– … Wikipedia
comet — cometary /kom i ter ee/, cometic /keuh met ik/, cometical, adj. cometlike, adj. /kom it/, n. Astron. a celestial body moving about the sun, usually in a highly eccentric orbit, consisting of a central mass surrounded by an envelope of dust and… … Universalium
Oort cloud — An artist s rendering of the Oort cloud and the Kuiper belt (inset). Sizes of individual objects have been exaggerated for visibility … Wikipedia
Halley's Comet — For the video game, see Halley s Comet (video game). 1P/Halley (Halley s Comet) Halley s Comet on March 8, 1986 Discovery … Wikipedia
Solar System — This article is about the Sun and its planetary system. For other systems, see planetary system and star system. For a list of physical and orbital statistics for the Solar System s largest bodies, see List of gravitationally rounded objects of… … Wikipedia
