Question
Thu March 05, 2015 By: Priyadarshini Murugan

WE KNOW THAT EARTH MOVES IN ELLIPTICAL ORBIT AROUND THE SUN.THERE IS NO TIME WHEN EARTH IS
STATIONARY. IT TAKES 8 MINUTES FOR SUNLIGHT TO REACH EARTH . UNTIL THE SUNLIGHT REACHES THE EARTH,
WHAT IS THE MOTION OF EARTH?IS IT TANGENTIAL OR SAME/ACTUAL ROTATION TAKES PLACE?

Expert Reply
Jyothi Nair
Fri March 06, 2015
The earth  revolves around sun in an elliptical orbit with sun at one of its foci. It takes 8 minutes for sunlight to reach earth's surface because of the distance of the sun from the earth. It has nothing to do with the motion of earth around sun. Earth revolves around sun in its orbit, it is continuosly in motion. 
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