apsides

Meanings

• noun

  The points in an elliptical orbit where the body being orbited is farthest from and closest to the orbitting body.

  - "The planets reach their aphelion, or apogee, at different points in their orbits."
  - "The apogee of the Moon's orbit is approximately 252,088 miles from Earth."

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Variants

List of all variants of apsides that leads to same result
apsides , apsis

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Etymology

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

From the Greek word 'apobaino,' meaning 'to drive away,' due to the ancient belief that the planets were physically pushed away from the Sun at their apogee.

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Trivia

Any details, considerations, events or pieces of information regarding the word

1. The apogee of Earth's orbit occurs around July 4.

2. The apogee of Mars' orbit is approximately 154.1 million miles from the Sun.

3. The apogee of Jupiter's orbit is approximately 5.2 astronomical units from the Sun.

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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. perigee: The point in an elliptical orbit where the body being orbited is closest to the orbitting body.

2. ellipse: A plane figure having the form of an ellipse is a curve surrounded by two concentric circles, the outer one having all points equidistant from a given point, which is the center of the ellipse, and the inner one touching the curve at its widest points.

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Culture

Any cultural, historical, or symbolic significance of the word. Explore how the word has been used in literature, art, music, or other forms of expression.

In astronomy, apogee and aphelion are significant points in the orbital paths of planets and other celestial bodies.

How to Memorize "apsides"

1. visualize
   

   - Imagine an elliptical orbit with the Sun at one focus and a planet at the other. The apogee is the point where the planet is furthest from the Sun.

2. associate
   

   - Think of 'apogee' as 'away from' or 'opposite' of 'perigee.'

3. mnemonics
   

   - Remember that 'apogee' is 'away from' the Sun, and 'perigee' is 'near' the Sun.

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