<prompt> Pedzisa mutsara unotevera: Muna 1920 Heber Doust Curtis naHarlow Shapley vakapinda mu  <response>: Kurukurirano Huru pamusoro pomusikirwo wemabhuru nemapoka enyeredzi, uye ukuru hwechisiko chose. Shapley aidavira kuti nebulae dziri kure dzaiva duku zvikuru uye dzaiva mukati meMilky Way galaxy. Curtis akatsigira pfungwa yava kugamuchirwa iye zvino yokuti mabharani akanga ari kure zvikuru, uye kuti mamwe mapoka enyeredzi kunze kweGwara Renzou naizvozvo aivapo. 