mean sun (Meaning)
mean sun (n)
a theoretical sun that moves along the celestial equator at a constant speed and completes its annual course in the same amount of time the real sun takes at variable speeds
Synonyms & Antonyms of mean sun
No Synonyms and anytonyms found
mean sun Sentence Examples
- The mean sun is a hypothetical astronomical body with a constant average position relative to the Earth.
- The mean sun is used as a reference for calculating the equation of time, which describes the difference between solar time and mean time.
- The mean sun does not physically exist but is a mathematical concept that astronomers use to simplify calculations.
- The mean sun moves along the ecliptic, the apparent path of the Sun across the sky over a year.
- The mean sun's motion is not uniform due to the Earth's elliptical orbit around the Sun.
- The difference between the mean sun and the true sun is called the equation of time, which can vary by up to 16 minutes.
- The mean sun is used to set clocks and watches to ensure a consistent measure of time.
- The mean sun is a fundamental concept in astronomy and is used in many calculations related to time and solar positions.
- The mean sun is also known as the mean of the apparent Sun, which is the average of the Sun's apparent positions over a year.
- Astronomers use the mean sun to simplify calculations and eliminate the effects of the Earth's elliptical orbit on solar time measurements.
FAQs About the word mean sun
a theoretical sun that moves along the celestial equator at a constant speed and completes its annual course in the same amount of time the real sun takes at va
No synonyms found.
No antonyms found.
The mean sun is a hypothetical astronomical body with a constant average position relative to the Earth.
The mean sun is used as a reference for calculating the equation of time, which describes the difference between solar time and mean time.
The mean sun does not physically exist but is a mathematical concept that astronomers use to simplify calculations.
The mean sun moves along the ecliptic, the apparent path of the Sun across the sky over a year.
