Polaris is a yellow super-giant with two smaller companions, Polaris Aa has a radius which is 46 +/- 3 times the Sun's radius.
The main star of the Polaris System has a mass which is 4.5 times that of the sun.
The main star of the Polaris System has a mass which is 4.5 times that of the sun.
The main star in the Polaris system has a mass of 4.5 Suns and a radius which is 46 +/- 3 times as big as the Sun's.
Its apparent magnitude is about 2, but it's slightly variable. Usually it's given as 1.97v (where v means variable).
The name of the north star is Polaris. As the brightest star in the constellation of Ursa Minor it is also called alpha Ursae Minoris. It is actually a multiple star comprised of Polaris Aa, Polaris Ab and Polaris B.
The common name for Polaris, the North Star, is simply "Polaris."
No, Rigel is not the closest star to Polaris (the North Star). Rigel is a bright star in the constellation Orion, while Polaris is located in the constellation Ursa Minor. The closest star to Polaris is Urodelus, also known as "Polaris Australis."
The north star is polaris's other name.
Polaris and the North Star are the only two names I know.
Polaris is not a galaxy, it is a star.
The main star in the Polaris system, Polaris Aa, is a yellow super-giant, with a radius which is 46 +/- 3 times that of the sun. Its apparent magnitude is 1.98 but it is a Cepheid variable.
Arcturus is orange in color, and has a mass of 2.188E30 kg. Vega has an apparent magnitude of 0.03, a white color, and the size is unknown. Comments. That answer does not fully answer the question. For example there's nothing about Polaris.