ultrafacts:Polaris (commonly North Star, Northern Star or Pole Star, also Lodestar, sometimes Guidin
ultrafacts:Polaris (commonly North Star, Northern Star or Pole Star, also Lodestar, sometimes Guiding Star) is the brightest star in the constellation, Ursa Minor, and the 45th brightest star in the night sky. It is very close to the north celestial pole, making it the current northern pole star.It is a multiple star, comprising the main star, α UMi Aa, which is a supergiant; two smaller companions, α UMi B and α UMi Ab; and two distant components, α UMi C and α UMi D. α UMi B was discovered in 1780 by William Herschel.(Fact Source/more info) Follow Ultrafacts for more facts For teaching: astronomy -- source link
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