<prompt> Suro saa 1920 ye lan Heber Doust Curtis-a Harlow Shapley-a ye lamar kasattә kura dәn cida sadәna  <response>: Awowa nebula-a galaxies-a, kuru nəmkura dunyabe-a. Shapleybe kasakcin shi nebulawa kureyedə gana kuru suro galaxy Milky Wayben kara. Curtisye raayi kәrmabe kәrmabe dәga shawari cina, shi nebulae dә zauro farak, kuru shi galaxies gade gade Milky Wayye dәn mbeji. 