<prompt> Nyora kupfuurira kweiyi ndima - Muna 1920 akagadzwa kuva mutungamiriri weAllegheny Observatory. Mugore rimwe chetero akapinda muGreat Debate  <response>: naHarlow Shapley anonziwo ShapleyCurtis Debate pamusoro pechimiro chema nebulae nemapoka enyeredzi, uye kukura kwechisiko chose. Curtis akatsigira pfungwa yava kugamuchirwa iye zvino yokuti kune mamwe mapoka enyeredzi kunze kweGwara Renzou. 