شرکت در آزمون آنلاین زبان انگلیسی 1 - زبان انگلیسی 1 | آزمون شماره 11288

Azar: Why don't you come to the mountains with us?

Alaleh: I think I am going to visit my relatives in Shiraz ...

The sun lights only one side of the Earth. It is the turning of the Earth that gives us day and night. Because it turns towards the east, the sun seems to rise in the east.Throughout the day the sun appears to move westward across the sky because we ourselves are moving eastward. It disappears, or sets, in the west when the turning Earth blots it out from our view. It might seem that the sun always rises in the east and sets in the west, but it is not true. In winter (north of the equator) it rises and sets far to the north. On only two days in the year the sun rises exactly in the east and sets exactly in the west. These days are about March 21 and September 23. This is true everywhere in the world except near the poles.

According to the passage, during the year the sun … . 

What did Newton probably do when an apple fell down and hit him?