EntityQ2291441· pop 12· linked from 182 articlesExplorer 10Sign in to saveNASA satellite of the Explorer programConnectionsExplorers ProgramEntityEarthConceptSunConceptMoonConceptNASAConceptouter spaceEntityprotonEntityrubidiumEntityplasmaEntityMassachusetts Institute of TechnologyEntitypublic domainEntitysymmetryEntityalternating currentEntitydirect currentEntityGreenwich Mean TimeEntityelectronvoltEntityright ascensionEntityorbital periodEntitydeclinationEntityapsisEntityCategoriesExplorers ProgramGeospace monitoring satellitesObservational astronomySource attributionSpacecraft launched in 1961Spacecraft which reentered in 1968