<prompt> Nyorai kupfuurira kweiyi ndima - Shapley akabatanidzwa muGreat Debate  <response>: naHeber D. Curtis pamusoro pechimiro chema nebulae nemapoka enyeredzi uye ukuru hweZvakasikwa. Gakava racho rakaitika pana April 26, 1920, muhoro yeUnited States National Academy of Sciences muWashington DC. Shapley akatora rutivi rwokuti nebulae dzakakombama izvo zvino zvinonzi mapoka enyeredzi dziri mukati meMilky Way yedu, nepo Curtis akatora rutivi rwokuti nebulae dzakakombama zvitsuwa zvenyika zviri kure kunze kweMilky Way yedu timene uye zvinoenzaniswa noukuru uye chimiro neMilky Way yedu timene. Iyi nhau negakava ndiwo mavambo ezvokuongorora nyeredzi kunobva kune dzimwe nyeredzi, nepo nharo dzakatsanangurwa nedata, kazhinji kazhinji dzisina kujeka, dzakaoneka pamwe chete muna 1921. 