">" title="Outer Space Picture" alt="Galileo Space Craft" />
">" title="Outer Space Picture" alt="Sun" />
Sabtu, 05 Februari 2011
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Sabtu, 05 Februari 2011
Halley's Comet isacometvisiblefrom Earthevery75-76years. Officiallynamed1PorHalley,the namegenerally givenbythe nameofEdmuntHalley.Cometisthe most famouscometof theotherperiodiccomets. Although inevery centurymanylong periodcometsthat come withmorelight andpowerful, Halleyis the onlyshort-periodcomettohavealookto the eyewitness, andtherefore acometvisibleto the eyewitnessaredefinitelybackin the span ofhuman life.Occurrencethroughout historyhasa major influence onhuman history, althoughits appearanceis not recognized asthe same objectuntil thecentury-17.Halley's Cometlast appearedin the solar systemin 1986, and will appearagainin mid - 2061.