These stars appear suddenly and only a few are visible to the naked eye showing remarkable and striking lines. The most famous of all Halley's comet, which occurs every 76 years. This comet is named after the astronomer E. Halley, who could verify that their appearances were regular from previous observational records, Halley had observed "his" comet in 1682 and predicted its return for 1758.
has been possible to determine the earliest known observation of Comet Halley is the year 467 BC. His latest passage near the sun came in February 1986 and the next will occur in 2062.
All comets are part of the Solar System, and some of them very elongated elliptical orbits that their periods of revolution are very long, tens or hundreds of years.
observed each year from one to two dozen comets passing near the Sun, but even in these conditions of proximity, only occasionally a comet becomes bright enough to be seen with the naked eye without the aid of a telescope.
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