Arcturus and all the other bright stars would have been known to the first astronomers, the Babylonians.
It is not. Arcturus is brighter.It is not. Arcturus is brighter.It is not. Arcturus is brighter.It is not. Arcturus is brighter.
Arcturus has an absolute magnitude of -0.29 and an apparent magnitude of -0.04
No. Arcturus is believed to be a single star.
No planets have been detected in the Arcturus star system
Arcturus, the britghest star in the Northern Hemisphere, is a highly evolved Orange-Red Giant.
It is not. Arcturus is brighter.It is not. Arcturus is brighter.It is not. Arcturus is brighter.It is not. Arcturus is brighter.
1652 Edit : That seems unlikely. Arcturus is one of the brightest stars in the sky and it must have been seen as soon as people looked at the night sky, many thousands of years ago.
Regulus Arcturus Black.Regulus Arcturus Black.Regulus Arcturus Black.Regulus Arcturus Black.
Arcturus is in class A.
No, Arcturus is a star.
Arcturus
The temperature of Arcturus is about 4,290 Kelvin
No, Arcturus is a red giant star, not a nebula.
A Voyage to Arcturus was created in 1920.
The Arcturus Star is located in the constellation Bootes.
Arcturus is the Zenith Star of the Hawaiian Islands
A Voyage to Arcturus has 303 pages.