Njengendlela yokudlulisela, igiya leplanethi lisetshenziswa kakhulu kuzinqubo zobunjiniyela ezihlukahlukene, ezifana nesinciphisi segiya, ukhreyini, isinciphisi segiya leplanethi, njll. Ngokunciphisa amagiya eplanethi, kungangena esikhundleni sendlela yokudlulisela yesitimela se-axle egxilile ezimweni eziningi. Ngoba inqubo yokudlulisa amagiya...
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