POLESTAR

Pole star

A pole star is a visible star, preferably a prominent one, that is approximately aligned with the Earth's axis of rotation; that is, a star whose apparent position is close to one of the celestial poles, and which lies approximately directly overhead when viewed from the Earth's North Pole or South Pole. A similar concept also applies to other planets than the Earth. In practice, the term Pole Star usually refers to Polaris, which is the current northern pole star, also known as the North Star.

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pole star

Noun

  1. The star nearest a celestial pole of a planet.
    ''Polaris is currently (long-term) the Pole Star of our blue planet Earth.
  2. A guide or guiding principle.


The above text is a snippet from Wiktionary: pole star
and as such is available under the Creative Commons Attribution/Share-Alike License.

polestar

Noun



The above text is a snippet from Wiktionary: polestar
and as such is available under the Creative Commons Attribution/Share-Alike License.

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