Polaris
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Polaris is a yellow supergiant star in the northern circumpolar constellation of Ursa Minor. It is designated α Ursae Minoris and is commonly called the North Star. With an apparent magnitude that flu
Polaris components as seen by the Hubble Space Telescope
A typical star trail photograph taken in the Northern Hemisphere, with Polaris in the center
Polaris azimuths vis clock face analogy.
Artist's conception showing supergiant Polaris Aa, dwarf Polaris Ab, and the distant dwarf companion Polaris B
Pole star
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A pole star is a visible star that is approximately aligned with the axis of rotation of an astronomical body; that is, a star whose apparent position is close to one of the celestial poles. On Earth,
Polaris
…readily visible to the naked eye at night. The position of the star lies less than 1° away from the north celestial pole, making it the current northern pole star. The stable position of the star in the Northern Sky makes it useful for navigation. Although appearing to the naked eye as a single point of light…
Northern Hemisphere circumpolar stars around Polaris, with a long-exposure producing a star trail photo
A method to find the Pole star Polaris at 5x the distance of the two front stars of the Big Dipper
Circle of southern stars, Chile, 2016