polar star

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Explanation of "Polar Star"

Definition: The "Polar Star," also known as "North Star," is the brightest star in the constellation Ursa Minor, which is often referred to as the Little Dipper. This star is important because it is located nearly directly above the North Pole, making it a fixed point in the sky that helps with navigation.

Usage Instructions

• As a Noun: "Polar Star" is used as a proper noun, referring specifically to this star.
• When to Use: You can use "Polar Star" when talking about astronomy, navigation, or when discussing constellations.

Example Sentences

1. Basic Usage: "Sailors used the Polar Star to find their way home at night."
2. Advanced Usage: "The Polar Star serves as a reliable reference point for astronomers studying the movement of celestial bodies."

Word Variants

• Related Terms:
  • "North Star" (another name for the Polar Star)
  • "Ursa Minor" (the constellation where the Polar Star is located)

Different Meanings

• Figurative Meaning: The term "polar star" can also be used metaphorically to describe someone or something that serves as a guide or a point of reference in life. For example: "Her advice was my polar star during difficult times."

Synonyms

• North Star
• Guiding star

Idioms and Phrasal Verbs

• No specific idioms or phrasal verbs directly related to "polar star," but you might encounter phrases like "guiding light," which conveys a similar idea of guidance.

Summary

The Polar Star is not just an astronomical object; it is a symbol of guidance and direction.

Academic

Noun

1. 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

Synonyms

• Polaris
• North Star
• pole star
• polestar