What is another word for mean sun?
Pronunciation: [mˈiːn sˈʌn] (IPA) 
The term "mean sun" refers to the hypothetical sun that moves in uniform motion along the celestial sphere, used as a reference point in astronomy. Some synonyms for the term include "reference sun," "equinoctial sun," "fictitious sun," and "mean solar point." Other related terms include "apparent sun," which is the actual position of the sun as observed from Earth, and "sidereal day," which is the amount of time it takes for the earth to rotate once in relation to the background stars. Understanding these terms is important in astronomy and navigation, as they help to calculate positions and distances in space.
