Duba wurin da ke ƙasa sannan ka amsa tambayar daga baya a cikin harshe ɗaya kamar yadda wurin yake:  Passage: Na farko kai tsaye ma'auni na nesa zuwa star (61 Cygni a 11.4 haske-shekaru) da aka yi a 1838 da Friedrich Bessel ta amfani da parallax dabara. Ƙididdigar parallax ta nuna yadda taurari suke da nisa a sararin sama. Binciken taurari biyu ya sami mahimmancin gaske a cikin karni na 19. A shekara ta 1834, Friedrich Bessel ya lura da canje-canje a motsi na tauraron Sirius kuma ya kammala cewa yana da abokiyar da ba a gani. Edward Pickering ya gano na farko na binary binary a 1899 lokacin da ya lura da rabuwa na lokaci-lokaci na layin bakan na tauraron Mizar a cikin kwanaki 104. An tattara cikakkun bayanai game da tsarin tauraron dan adam da yawa ta hanyar masana kimiyya irin su Friedrich Georg Wilhelm von Struve da S. W. Burnham, wanda ya ba da damar ƙayyade yawan taurari daga lissafin abubuwan da ke kewaye da su. Magani na farko ga matsalar da ke haifar da tauraron tauraron tauraron dan adam daga kallon telescope ya yi ta Felix Savary a 1827.  Tambaya: Yaushe ne Bessl ya gano ɓoyayyen abokin tauraron Sirius?
Shekaru 1834