Arcturus star

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Arcturus Binary Star, Red Giant, Giant Star, The Final Frontier, Planet Of The Apes, Light Year, Visible Light, Year 11, Bright Stars

Arcturus (α Boötis) Credit: Giuseppe Donatiello (J2000) RA: 14h 15m 39.7s Dec: +19° 10′ 56″ Arcturus (Alpha Boötis) is the brightest star in the northern celestial hemisphere. With a visual magnitude of −0.05, it is the fourth brightest star in the night sky, after −1.46 magnitude Sirius, −0.86 magnitude Canopus, and −0.27 magnitude Alpha Centauri. It is at only 36.7 light-years from Earth. Arcturus is a type K0 III red giant star, about 110 times brighter than the Sun in visible light…

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