Rukbat, Alpha Sagittarii (α Sgr), is a hot blue main sequence star located 182 light years away in the zodiac constellation of Sagittarius. With an apparent magnitude of 3.97, it is visible to the unaided eye. The luminous young star marks the celestial Archer’s knee. Star type Rukbat is a blue main sequence star of… Read More »Rukbat (Alpha Sagittarii) The post Rukbat (Alpha Sagittarii) first appeared on Star Facts.
