periapsis

Meanings

• noun

  The point in an elliptical orbit where the body is closest to the primary body.

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Antonyms

apoapsis

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Synonyms

pericenter

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Variants

List of all variants of periapsis that leads to same result
perhaps , perhapses

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Etymology

origin and the way in which meanings have changed throughout history.

From the Greek words peri (around) and apsis (apogee or perigee).

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Trivia

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1. The word 'periapsis' comes from the Greek words 'peri' (around) and 'apsis' (apogee or perigee).

2. The term 'periapsis' is used in astronomy to describe the closest approach of an object in an elliptical orbit to the central body.

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Related Concepts

informations on related concepts or terms closely associated with the word. Discuss semantic fields or domains that the word belongs to

1. Apogee: The farthest point in an elliptical orbit from the central body.

2. Elliptical orbit: A type of orbit that is not a perfect circle but an ellipse, with the central body at one focus.

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Culture

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Periapsis is a significant concept in astronomy and celestial mechanics. It is used to describe the closest approach of an object in an elliptical orbit to the central body.

How to Memorize "periapsis"

1. visualize
   

   - Imagine an elliptical orbit with the sun at one focus. The periapsis is the point where the planet is closest to the sun.

2. associate
   

   - Associate the word 'periapsis' with 'closest approach' in an elliptical orbit.

3. mnemonics
   

   - Use the mnemonic 'Periapsis is where it's P-close!'

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