Iyini iMilky Way?
Context:I-Milky Way[c] iyinhlangano yezinkanyezi ehlanganisa i-Solar System, enegama elichaza ukubukeka komthala kusuka eMhlabeni: ibhande elikhanyayo elikhanyayo elibonwa esibhakabhakeni sasebusuku elakhiwe ngezinkanyezi ezingenakuhlukaniswa ngeso lenyama. Igama elithi Milky Way lihunyushwe kwelesiLatini elithi via lactea, lisuselwa kwelesiGreki elithi γαλακτικὸς κύκλος (galaktikòs kýklos), elisho "isiyingi sobisi". Uma usuka eMhlabeni, iMilky Way ibonakala njengebhande ngoba isakhiwo sayo esifana nediski sibhekwa ngaphakathi. UGalileo Galilei waqala ukuhlukanisa ibhande lokukhanya libe izinkanyezi ngazinye ngesibonakude sakhe ngo-1610. Kuze kube sekuqaleni kwawo-1920, izazi zezinkanyezi eziningi zazicabanga ukuthi iMilky Way iqukethe zonke izinkanyezi ezikhona endaweni yonke. Ngemva Kwengxoxo - mpikiswano Enkulu yango - 1920 phakathi kwezazi zezinkanyezi uHarlow Shapley noHeber Doust Curtis, ukuhlola kuka - Edwin Hubble kwabonisa ukuthi iMilky Way ingenye nje yezinkanyezi eziningi.
I-Milky Way iwumthala ohlanganisa isimiso sonozungezilanga lapho iplanethi yethu enguMhlaba itholakala khona.