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  2. Comet - Wikipedia

    en.wikipedia.org/wiki/Comet

    Similarly, although the literal meaning of "non-periodic comet" is the same as "single-apparition comet", some use it to mean all comets that are not "periodic" in the second sense (that is, to include all comets with a period greater than 200 years).

  3. Coma (comet) - Wikipedia

    en.wikipedia.org/wiki/Coma_(comet)

    As the comet warms, parts of it sublimate; [1] this gives a comet a diffuse appearance when viewed through telescopes and distinguishes it from stars. The word coma comes from the Greek κόμη (kómē), which means "hair" and is the origin of the word comet itself. [2] [3] The coma is generally made of ice and comet dust. [1]

  4. Rare comet spotted in Colorado. How to see it before it ...

    www.aol.com/rare-comet-spotted-colorado-see...

    The comet was projected to come into view in mid-October, and already, FOX31 viewers across Colorado have spotted the rare sight. Some viewers in Loveland, Steamboat and South Park photographed ...

  5. Lists of comets - Wikipedia

    en.wikipedia.org/wiki/Lists_of_comets

    Coin showing Caesar's Comet as a star with eight rays, tail upward. Non-periodic comets are seen only once. They are usually on near-parabolic orbits that will not return to the vicinity of the Sun for thousands of years, if ever.

  6. List of periodic comets - Wikipedia

    en.wikipedia.org/wiki/List_of_periodic_comets

    In comet nomenclature, the letter before the "/" is either "C" (a non-periodic comet), "P" (a periodic comet), "D" (a comet that has been lost or has disintegrated), "X" (a comet for which no reliable orbit could be calculated —usually historical comets), "I" for an interstellar object, or "A" for an object that was either mistakenly ...

  7. How much longer can the 'comet of the century' be seen ... - AOL

    www.aol.com/much-longer-comet-century-seen...

    Oct. 15-19: (Comet) may produce an anti-tail — a bright streak that appears to be pointing toward the Sun, opposite the other tails. Oct. 20-31: Comet will be visible with binoculars and telescopes.

  8. Rare Comet Not Seen in 50,000 Years to Pass by Earth - AOL

    www.aol.com/rare-comet-not-seen-50-195700609.html

    The comet hasn't come this close to Earth for 50,000 years, supposedly, because the orbital period is said to be about that length. Theoretically, from the edge of the solar system in a big cloud ...

  9. Naming of comets - Wikipedia

    en.wikipedia.org/wiki/Naming_of_comets

    Comet McNaught, named after its discoverer Robert H. McNaught. It is also known as the Great Comet of 2007 and has the numerical designation C/2006 P1. Comets have been observed for over 2,000 years. During that time, several different systems have been used to assign names to each comet, and as a result many comets have more than one name.