Alnitak (Zeta Orionis)
Alnitak, Zeta Orionis (ζ Ori), is the primary component in a triple star system with a combined apparent magnitude of 1.77. The blue supergiant star… Read More »Alnitak (Zeta Orionis)
Alioth
Phecda (Gamma Ursae Majoris)
Phecda, Gamma Ursae Majoris (γ UMa), is the primary component in an astrometric binary system located 83.2 light-years away in the constellation Ursa Major. With… Read More »Phecda (Gamma Ursae Majoris)
Alkaid (Eta Ursae Majoris)
Alkaid, Eta Ursae Majoris (η UMa), is a blue main sequence star with an apparent magnitude of 1.86. It lies at a distance of 103.9… Read More »Alkaid (Eta Ursae Majoris)
Dubhe (Alpha Ursae Majoris)
Dubhe, Alpha Ursae Majoris (α UMa), is the primary component in a multiple star system located at an approximate distance of 123 light years from… Read More »Dubhe (Alpha Ursae Majoris)
Alioth (Epsilon Ursae Majoris)
Alioth, Epsilon Ursae Majoris (ε UMa), is the brightest star in the constellation Ursa Major (the Great Bear). It has an apparent magnitude of 1.77 and… Read More »Alioth (Epsilon Ursae Majoris)
Alnilam (Epsilon Orionis)
Alnilam, Epsilon Orionis (ε Ori), is a bright blue supergiant star located approximately 1,180 light-years away in the constellation Orion. With an average apparent magnitude… Read More »Alnilam (Epsilon Orionis)
Arcturus
Arcturus, Alpha Boötis (α Boo), is a red giant star located 36.7 light-years away in the northern constellation Boötes. With an apparent magnitude of -0.05,… Read More »Arcturus