Many comet appearances are hailed as the comet of the century only to fizzle heres a look back at 10 remarkable comets from the past few hundred years. Lists of comets jump to navigation jump to search coin showing caesars comet as a the official names of non periodic comets begin with a c . Halleys comet is the most famous of all comets british astronomer edmund halley was the first to realise that comets are periodic after observing it . Comet designation name eccentricity semimajor axis period years inclination perihelion distance au absolute magnitude last perihelion next unobserved perihelion
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