Rubuta ci gaba don wannan sakin layi - Milky Way ita ce galaxy wanda ya haɗa da tsarin hasken rana, tare da sunan da ke bayyana bayyanar galaxy daga Duniya: wani haske mai haske wanda aka gani a cikin sararin dare wanda ya samo asali daga taurari waɗanda ba za a iya rarrabe kowannensu da ido ba. Kalmar "Milky Way" fassara ce ta Latin ', daga Girkanci ('), ma'ana "da'irar Milky". Daga Duniya, Milky Way ya bayyana a matsayin band saboda ana kallon tsarin sa mai siffar faifai daga ciki. Galileo Galilei ya fara warware rukunin haske zuwa taurari daban-daban tare da na'urar hangen nesa a 1610. Har zuwa farkon shekarun 1920, yawancin masana taurari sun yi tunanin cewa Milky Way yana dauke da dukkan taurari a cikin Sararin samaniya. Bayan Babban Muhawara na 1920
tsakanin masu binciken taurari Harlow Shapley da Heber Curtis, binciken Edwin Hubble ya nuna cewa Milky Way daya ne daga cikin taurari masu yawa.