Kammala wannan magana: Hubble gano goma sha ɗaya Cepheid m taurari ne mai milestone a fannin ilmin taurari. Amfani da dangantaka tsakanin Cepheid Period-Luminosity, Hubble ya ƙayyade nesa na. Wannan shi ne tsarin farko bayan Magellanic Clouds don samun nisansa da aka ƙaddara. (Hubble ya ci gaba da wannan tsari tare da Andromeda Galaxy da Triangulum Galaxy). Nesa zuwa gajimare ya wuce darajar Harlow Shapley na shekaru 300,000 na haske don girman sararin samaniya. A cikin takarda, Hubble ya kammala "
Babban Muhawara" na 1920 tsakanin Heber Curtis da Shapley akan sikelin sararin samaniya da yanayin "ƙuƙwalwar ƙuƙwalwa". Ba da daɗewa ba ya zama a bayyane cewa dukan nebulae masu kama da karkace galaxies ne da suke nesa da namu Milky Way.