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Polaris is a star in the northern circumpolar constellation of Ursa Minor. It is designated α Ursae Minoris (Latinized to Alpha Ursae Minoris) and is commonly called the North Star or Pole Star. With an apparent magnitude that fluctuates around 1.98, it is the brightest star in the constellation and is readily visible to the naked eye at night.
Sep 9, 2019 · Polaris is a triple star system consisting of the yellow supergiant Polaris Aa and two white (spectral type F) main sequence stars, Polaris Ab and Polaris B. Polaris Aa and Ab are in close orbit with each other and Polaris B is orbiting the pair.
Polaris, Earth’s present northern polestar, or North Star, at the end of the ‘handle’ of the so-called Little Dipper in the constellation Ursa Minor. Polaris is actually a triple star. It is located about 447.6 light-years from Earth and is the closest Cepheid variable.
Mar 13, 2023 · In this article, we’re going to explore the color of Polaris as well as some other general facts about this iconic star. What Is Polaris? Polaris, also called the North Star, is the brightest star in the Ursa Minor constellation, the Little Bear.
Jan 20, 2020 · Polaris is the brightest star in the constellation of Ursa Minor. It is a triple star system and currently, it is our North Star or Pole Star. This title is given to stars that are close to the North Pole – something that changes through the passing of years due to Earth’s movement.
Jul 28, 2014 · Polaris, also known as the North Star, Alpha Ursae Minoris or Star of Arcady, is the brightest star in Ursa Minor constellation. It is the closest bright star to the North Celestial Pole. The pole marks true north, which makes the North Star important in navigation, as the star’s elevation above the horizon closely matches the observer’s latitude.
Feb 20, 2023 · Polaris star color. All three stars in the Polaris system are of spectral type F. Such stars are typically white or yellow-white in color. However, their yellowish hue is very faint, so most stargazers will see Polaris as a white, medium-bright star.
