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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.
Polaris star constellation UPDATED
Polaris Statistics Also Known As: Polaris A, Alpha Ursae Minoris, Pole Star, North Star Distance From Earth: 430 light years Constellation: Ursa Minor Star Type: F Class Supergiant Mass: 4.5 x Sun Luminosity: 2,500 x Sun Diameter: 44 million miles (70 million km) - 50 x Sun Temperature: 5,700C (10,300F) Age: Unknown Rotation Period: 119 days
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Polaris is a yellow-hued star, classified as a supergiant, located in the constellation Ursa Minor. Its coloration is due to its surface temperature, which is approximately 6,000 K. Stars come in a variety of colors, ranging from red to blue, depending on their surface temperature.
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Polaris is also called Alpha Ursae Minoris, because it's the brightest star in Ursa Minor, the Little Bear (also known as the Little Dipper). It is actually a multiple-star system made up of at least three stars. The largest star in the system is called simply Polaris A, and is a supergiant that has about six times the mass of the sun.
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Polaris ( Alpha Ursae Minoris) is the Pole Star or North Star. It is the brightest star in the constellation Ursa Minor. It is almost straight above Earth 's North Pole. Because of this, when it is seen from Earth, it looks like it always stays in the same place in the sky.
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The Polaris star is the brightest star of the Ursa Minor constellation. It is a triple-star system with three stars. These distant stars form the north stars of the Ursa Minor constellation. North stars of the Polaris system are variable stars that decorate the northern sky. The word Polaris is a short form for Stella Polaris, which in Latin.
The North Star Polaris Facts, Location, and How to Find It
The North Star or Pole Star - aka Polaris - is famous for holding nearly still in our sky while the entire northern sky moves around it. That's because it's located very close to the north.
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Polaris, also designated as α Ursae Minoris (alpha Ursae Minoris), is a variable and multiple supergiant star in the constellation of Ursa Minor . Polaris visual magnitude is 2.02, making it the 51th brightest star in the sky. Thanks to its high brightness, Polaris is clearly visible when observed from locations with dark skyes, and should be.
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Polaris is a "pulsing" star, a type of star also known as a Cepheid variable, which means that it appears to vary in brightness ever so slightly — only one tenth of a magnitude — over a time.
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Polaris is the star nearly directly up from the North Pole hence why it is also known as the "North Star" in addition to being the "Pole Star". If you were to take a picture of the night sky so that you had star trails, If you then looked at all the photos, you would see that Polar stays still.
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Polaris is actually a triple star. It is located about 447.6 light-years from Earth and is the closest Cepheid variable.
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The North Star, Polaris, is a Cepheid variable: one whose mass, age and physical conditions generate periodic oscillations with a period proportional to the star's intrinsic luminosity.
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Polaris is one of the most searched-out stars in the northern hemisphere sky. It turns out that there's more than one star at Polaris. It's really a triple star system that lies around 440 light-years away from Earth. The brightest is what we call Polaris.
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In Norse tales, Polaris was the end of a spike around which the sky rotates; in Mongolian mythology, it's a peg that holds the world together. But overall, humanity's main interest in Polaris seems to be concerned with the practical side of the Pole Star; sailors and explorers used it for navigation for centuries.
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Polaris: Polaris is part of a three-star system including Polaris A, Polaris Ab, and Polaris B. Of these stars, only Polaris A is bright enough to see in the night sky while a simple telescope can show us Polaris Ab. Polaris B requires a more sophisticated telescope to become visible.
Polaris (North Star) Star Facts
What Color Is Polaris? Polaris appears white to the naked eye, but it is in reality, a multiple-star system consisting of three stars. The primary star, Polaris A, is a yellow supergiant with a surface temperature of approximately 6,000 Kelvin.