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  2. en.wikipedia.org › wiki › PolarisPolaris - Wikipedia

    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.

  3. Jul 28, 2021 · The North Star, also known as Polaris, is the brightest star near the north celestial pole. Learn how to locate it using the Big Dipper and why it's not always the North Star.

  4. Learn about the North Star, also known as Polaris, the brightest star in the constellation Ursa Minor. Find out how to locate it using the Little Dipper, and why it is important for astronomers and astrophotographers.

  5. Sep 9, 2019 · Polaris is the brightest star in the Little Dipper and the closest star to the north celestial pole. It is also a triple star system with a yellow supergiant and two white dwarfs, one of which is a pulsating variable star used to measure distances in astronomy.

    • 323-433 light years (99-133 parsecs)
    • RA: 198.8 ± 0.20 mas/yr
    • 7.54 ± 0.11 mas
    • 17 km/s
  6. 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.

    • The Editors of Encyclopaedia Britannica
  7. Jul 28, 2014 · Learn about Polaris, the brightest star in Ursa Minor constellation and the current pole star. Find out how to locate it, its history, and its future as the North Star.

  8. Feb 20, 2023 · The North Star, or Polaris, is a very special star that sits almost directly at the Earth’s North celestial pole. It’s the only bright motionless star in the sky. It’s a more consistent navigational tool than a magnetic compass. But today's North Star won't stay still forever. Why is that?

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