Comet Halley, officially named 1P/Halley, the name usually given by the name of Edmond Halley, is a comet visible from earth every 75-76 years. This comet is the most famous comet of periodic comets others. Although in every century many long berperiode comet that appeared in more light and powerful, Halley is the only short-period comets that appear to the naked eye, and therefore a comet visible with the naked eye must be returned within the range of human age. Emergence throughout history has a major influence on human history, although the appearance is not recognized as the same object until the 17th century. Halley's Comet last appeared in the solar system in 1986, and will appear again in mid-2061.
Sunday, November 22, 2009
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