Betelgeuse
Betelgeuse, Alpha Orionis (α Ori), is a red supergiant star located in the constellation Orion, the Hunter. It has an estimated radius 640 to 764… Read More »Betelgeuse
Navigational Stars
Spica
Spica, Alpha Virginis (α Vir), is a blue-white spectroscopic binary star located at a distance of 250 light years from Earth in the constellation Virgo. With… Read More »Spica
Regulus (Alpha Leonis)
Regulus, Alpha Leonis (α Leo), is the primary component in a multiple-star system located 79.3 light-years away in the constellation Leo. With a combined apparent… Read More »Regulus (Alpha Leonis)
Canopus
Canopus, Alpha Carinae (α Car), is a white bright giant star located in the southern constellation Carina. With an apparent magnitude of -0.74, it is… Read More »Canopus
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)