<prompt> Suro saa 1920 lan shiye amari kura Allegheny Observatory ye ro təna. Suro saa adǝben shiye kǝla lamar kǝla lamarra kura kurabe dǝn cidazǝna.  <response>: Harlow Shapley-a kuru sha Shapley-Curtis Debate lan bowotin kəla futu nebula-a galaxies-a, kuru nəmkura dunyabe-a lan. Curtisye raayi kәrmabe kәrmaibe dәga kasatsәna dәga banazәna dә shima galaxies gade Milky Waya kozәna dә. 