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KnowledgeEnhancementWhatarethefourmainislandsofJapan?Japan's"mainland"consistsoffourprimaryislands:Hokkaido,Honshu,Shikoku,andKyushu.Hokkaidoisinthenortheastandthehomeoftheisland'scapitalcityofSapporo.HonshuisthelargestislandandtheJapanesecoreareawhichincludesTokyoandOsaka-Kyoto.Honshuistheworld'sseventhlargestisland.ShikokuandKyushuareinthesouth(KyushuisintheextremesouthwestandShikokuistoitseast).Besidesthesefourislands,Japanincludes2,000additionalsmallerislands.北海道本州九州北海道冲绳群岛KurilIslandTheNorthernTerritories千岛群岛择捉岛国后岛色丹岛齿舞群岛KnowledgeEnhancementArticles：seeintroductiontoKurilIslandortheNorthernTerritories

NewsItem1KennedySpaceCenterNASA'sKennedySpaceCenterislocatedinBrevardCountyonFlorida'seastcoast.KSCisoneof10NASAcentersandservesasAmerica'sSpaceport.Spaceshuttlelaunchesarevisibleformilesaroundanddrawthousandsofvisitors.Spaceshuttle—DiscoveryEndeavourandAtlantismaketheirfinalvoyagesinthecomingmonths.RecordsheldbyDiscoveryDiscoverywillstillholdtheall-timerecordwith39missions,148millionmiles,5,830orbitsofEarth,and365daysspentinspace.Allthatwasachievedinunder27years.NASATheNationalAeronauticsandSpaceAdministrationisanExecutiveBranchagencyoftheUnitedStatesgovernment,responsibleforthenation'scivilianspaceprogramandaeronauticsandaerospaceresearch.SinceFebruary2006,NASA'sself-describedmissionstatementisto"pioneerthefutureinspaceexploration,scientificdiscoveryandaeronauticsresearch."NASANASAwasestablishedbytheNationalAeronauticsandSpaceActonJuly29,1958,replacingitspredecessor,theNationalAdvisoryCommitteeforAeronautics(NACA).TheagencybecameoperationalonOctober1,1958.NASAhasledU.S.effortsforspaceexplorationsince,includingtheApollomoon-landingmissions,theSkylabspacestation,andlatertheSpaceShuttle.Currently,NASAissupportingtheInternationalSpaceStationandhasbeendevelopingthemannedOrionspacecraft.NASANASAscienceisfocusedonbetterunderstandingEarththroughtheEarthObservingSystem,advancingheliophysicsthroughtheeffortsoftheScienceMissionDirectorate'sHeliophysicsResearchProgram,exploringbodiesthroughouttheSolarSystemwithadvancedroboticmissionssuchasNewHorizons,andresearchingastrophysicstopics,suchastheBigBang,throughtheGreatObservatoriesandassociatedpr

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