Definitions for POLARISpoʊˈlɛər ɪs, -ˈlær-, pə-

This page provides all possible meanings and translations of the word POLARIS

Princeton's WordNet

  1. Polaris, North Star, pole star, polar star, polestar(noun)

    the brightest star in Ursa Minor; at the end of the handle of the Little Dipper; the northern axis of the earth points toward it

Wiktionary

  1. Polaris(ProperNoun)

    The pole star, a trinary star in the constellation Ursa Minor that currently lies close to the north celestial pole; Alpha (u03B1) Ursae Minoris

  2. Polaris(ProperNoun)

    A type of U.S. ballistic missile, capable of carrying a nuclear warhead and designed to be launched from a submarine.

  3. Origin: From Stella polaris, "pole star"

Webster Dictionary

  1. Polaris(noun)

    the polestar. See North star, under North

  2. Origin: [NL. See Polar.]

Freebase

  1. Polaris

    Polaris is the brightest star in the constellation Ursa Minor. It is very close to the north celestial pole, making it the current northern pole star. It is a multiple star, consisting of the main star α UMi Aa, two smaller companions, α UMi B and α UMi Ab, and two distant components α UMi C and α UMi D. α UMi B was discovered in 1780 by William Herschel. Many recent papers calculate the distance to Polaris at about 434 light-years. Some suggest it may be 30% closer which, if correct, is especially notable because Polaris is the closest Cepheid variable to Earth so its physical parameters are of critical importance to the whole astronomical distance scale.


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