Time And The Earth - Moon - Sun Cycles (Topic 4) Flashcards
1
Q
What is the equation for time
A
Equation of time = apparent solar time - mean solar time
2
Q
What is apparent solar time
A
Is the time that is measured from a sundial or direct observation of the sun
3
Q
What is mean solar time
A
The time kept on clocks and watches mean solar time is the time if the sun travelled at a consistent pace constantly.
4
Q
Why does the EOT vary
A
.The earths elliptical orbit makes the sun go faster or slower at different times of the year
. The tilt of the earths axis (obliquity of the ecliptic)
