Ka cika wannan furcin: Kafin ilimin sararin samaniya na zamani, an yi magana sosai game da girma da kuma siffar sararin samaniya. A shekara ta 1920,
Shapley<unk>Curtis muhawara ya faru tsakanin Harlow Shapley da Heber D. Curtis a kan wannan batu. Shapley ya yi jayayya da ƙaramar sararin samaniya kamar girman Milky Way galaxy, kuma Curtis ya yi jayayya cewa sararin samaniya ya fi girma. An warware batun a cikin shekaru goma masu zuwa tare da ingantaccen lura na Hubble.