Isikhala sendawo sikhipha izici zeplanethi yasemkhathini, futhi indawo ihlanganisa izinhlobonhlobo zezinsiza zemidlalo ezifana namabhuloho amaplanethi, abakhasa bendawo, izindawo zokudlala zesihlabathi, nempahla yegeyimu yasendlini. Izikhungo zemisebenzi ezinothile nezihlukene zingahlangabezana nezidingo zezingane ezehlukene ezifana nokubhola, ukugibela, ukugijima, nokugxuma. Dala isikhala sokuhlangenwe nakho kokukhula ukuze izingane ziphumule, zidlale, zifunde, futhi zenze imisebenzi.