Arcturus

Arcturus is a term in astronomy for a star of the first magnitude and the chief in the northern constellation Boötes. It is an orange giant. It is the fourth brightest star in the sky, and the brightest in the constellation Boötes. It is situated in line with the tail of Ursa Major.

Nearby pages
Arcuate, Arcus senilis, Ardeche, Arden, Ardennes