<prompt> Bhala okuqhubekayo kwalesi sigaba - Ngo - 1920 uHeber Doust Curtis noHarlow Shapley babambe iqhaza eMphikiswaneni Enkulu  <response>: ngemvelo yama-nebula nemithala, nobukhulu bendawo yonke. UShapley wayekholelwa ukuthi ama - nebula akude ayemancane kakhulu futhi ayesemthaleni wethu i - Milky Way. UCurtis wakhuthaza umbono owamukelwayo manje wokuthi ama-nebula ayekude kakhulu, futhi ngenxa yalokho kwakukhona neminye imithala ngaphandle koMzila Wobisi. 