Kammala jumla mai zuwa: Kafin 1920s, an yi imani da cewa babu wasu taurari banda namu (duba misali
Babban muhawara). Saboda haka, ga masana taurari na ƙarni da suka shige, babu bambanci tsakanin tsakiya ta taurari da kuma tsakiya ta sararin samaniya.