Mean sun meaning

The mean sun refers to an imaginary point in the sky that moves at a constant speed along the celestial equator.


Mean sun definitions

Word backwards naem nus
Part of speech Mean is an adjective in this context.
Syllabic division mean sun Mean/sun
Plural The plural of the word "mean sun" would be "mean suns."
Total letters 7
Vogais (3) e,a,u
Consonants (3) m,n,s

The mean sun refers to a hypothetical sun that moves around the Earth at a constant speed. This concept is used in astronomy to simplify calculations related to the motion of celestial bodies.

When astronomers talk about the position of celestial objects, they often refer to the mean sun as a reference point. The mean sun moves along the celestial equator at a steady pace, making one full revolution in a year.

Calculation of Time

By using the mean sun as a reference point, astronomers can calculate time with great precision. This is essential for coordinating observations and predicting celestial events.

Solar Time

Solar time is based on the position of the mean sun in the sky. It is slightly different from clock time, which is based on time zones and standardization. Solar time varies depending on the longitudinal position of an observer.

Equation of Time

The equation of time is a correction applied to convert solar time to clock time. It accounts for the difference between the mean sun and the actual position of the Sun in the sky due to the Earth's elliptical orbit and axial tilt.

In conclusion, the mean sun is a valuable concept in astronomy that allows for precise calculations and timekeeping. By understanding its role, astronomers can make sense of the complex movements of celestial bodies in our solar system.


Mean sun Examples

  1. The mean sun shone brightly in the clear blue sky.
  2. She basked in the warmth of the mean sun while lying on the beach.
  3. The harsh rays of the mean sun burned his fair skin.
  4. The mean sunsets in that area were always spectacular.
  5. A picnic under the mean sun is a perfect way to spend the day.
  6. The mean sun cast long shadows across the desert landscape.
  7. They sought shelter from the intense heat of the mean sun.
  8. The mean sun beat down on the hikers as they traversed the mountain trail.
  9. The farmer relied on the mean sun to help his crops grow.
  10. Despite the mean sun, the marathon runners pushed through to the finish line.


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  • Updated 23/04/2024 - 15:50:31