<prompt> Nyora kupfuurira kweiyi ndima - Anenge makore gumi gare gare, pakati peyainzi Great Debate  <response>: , Hubble naSlipher vakawana kuwedzera kwenyika yose muma1920 vachiyera redshifts yeDoppler spectra kubva kumagalactic nebulae. Vachishandisa dzidziso yaEinstein yokuti zvinhu zvose zvakavapo nokukurumidza, Lemaître naGamow vakagadzira dzidziso yaizozivikanwa seBig Bang. Rwisano, inonzi rondedzero yenyika yakatsiga yakagadzirwa naHoyle, Gold, Narlikar naBondi. 