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)
North Star
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)
Polaris
Polaris, Alpha Ursae Minoris (α UMi), is a yellow supergiant located approximately 446 light-years away in the constellation Ursa Minor. It is the current North… Read More »Polaris
South Star: Sigma Octantis (Polaris Australis)
Polaris Australis (Sigma Octantis) is the current South Star, the nearest visible star to the south celestial pole. It is a yellow giant located 294… Read More »South Star: Sigma Octantis (Polaris Australis)
Thuban
Thuban, Alpha Draconis (α Dra), is a spectroscopic binary star system located in the constellation Draco. Even though it has the designation Alpha, it is… Read More »Thuban
Alderamin
Alderamin, Alpha Cephei (α Cep), is a white main sequence star located in the constellation Cepheus. With an apparent magnitude of 2.5141, it is the… Read More »Alderamin
Merak
Merak, Beta Ursae Majoris (β UMa) is a blue-white subgiant star in the constellation Ursa Major. It is one of the four bright stars that… Read More »Merak