2.2.0 spase://SMWG/Observatory/Explorer Explorer Spacecraft Series 2010-10-06T18:43:13Z Explorer spacecraft series of solar wind, lunar, magnetospheric, ionospheric and aeronomy satellites. spase://SMWG/Person/Jan.Merka MetadataContact Heliosphere.NearEarth Earth.Magnetosheath Earth.Magnetosphere Earth.NearSurface Earth.NearSurface.Ionosphere