HEFEI,Feb.4(Xinhua)--ChinaisprojectedtolaunchtwotestsatellitesintoalunarorbittoestablishacommunicationbetweenthemoonandtheEarth.Thetwinsatellites,weighing61kgand15kgrespectively,willflyinformationintheorbitaroundthemoontovalidatenewtechnologies,includingnavigationcalibrationsandhigh-reliabilitysignaltransmissions,accordingtoanewsreleaseoftheDeepSpaceExplorationLaboratoryonSaturday.ThesatelliteswillbeliftedoffintotheEarth-moontransferorbit,togetherwithQueqiao-2,arelaysatelliteforcommunicationsbetweenthefarsideofthemoonandEarth.Thenthetwosatelliteswillundergonear-moonbrakingandenteranellipticlunarorbit.Queqiao-2,scheduledforlaunchinthefirsthalfofthisyear,willserveasarelayplatformforthefourthphaseofChina'slunarexplorationprogram,providingcommunicationsservicesforChang'e-4,Chang'e-6,Chang'e-7,andChang'e-8missions.Editor:DisclaimerTheviewsandopinionsexpressedinthisarticlearethoseoftheauthor's,GMW.cnmakesnorepresentationsastoaccuracy,suitability,orvalidityofanyinformationonthissiteandwillnotbeliableforanyerrors,omissions,ordelaysinthisinformation.