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Spacecraft Thermal Control - NASA

EncyclopediaofPhysicalScienceandTechnolo gy,ThirdEditionbyAcademicPress(Finaldraf tdated,March30,2001)SpacecraftThermalCon trol/' :DescriptionSpacecraftThermalRequirement sandSpaceThermalEnvironmentsDesign,Analy sis,andTestingThermalControlHardwareLaun chandFlightOperationsAdvancedTechnologie sforFutureSpacecraftGlossaryAlbedoThefra ctionofincidentsolarenergythatisreflecte dofaplanetarybodyAstronomicalUnit(AU) ' ,asteroids, (LEO)Orbitswhosemaximumaltitudesarelesst hanapproximately1, (GEO)Anorbitintheplaneoftheequatorwhosep eriodmatchestheEarth'srotation,thus,thes pacecraftremainsoverthesamelocationofthe EarthatalltimesMultilayerinsulation(MLI) (RItU) , (RTG)

Mar 30, 2001 · spacecraft in orbit around Earth or another planet will have a variable external ... pumped loops and loop heat pipes), mechanical louvers, thermal straps, heaters, ... greater than 1.6 AU from the Sun use photovoltaic solar arrays to generate electric power.

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