<prompt> Kalima dǝga sǝkǝ: 1920 lan Heber Doust Curtis-a Harlow Shapley-a dǝ suro  <response>: Gashiptǝ kura kǝla alawu nebulaa-a galaxies-a, kuru nǝmkura 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. 