Regulus (α Leo / α Leonis / Alpha Leonis) is the brightest star in the constellation Leo and one of the brightest stars in the nighttime sky, and lies approximately 77.5 light years from Earth. Regulus is a multiple star system composed of four stars which are organised into two pairs. The spectroscopic binary Regulus A consists of a blue-white main sequence star and its companion which has not yet been directly observed, but is probably a white ...
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Regulus
Astronomy
Constellation
Leo
Leo is one of the constellations of the zodiac. Its name is Latin for lion. Its symbol is ( ♌), a corruption of the initial letter of Λεων (Leon). Leo lies between dim Cancer to the west and Virgo to the east.
Leo contains many bright stars, such as Regulus (α Leonis), the lion's tail; Denebola (β...
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