Position 3 in the image shows the setting of the sun as it is towards the West direction.
Sun is a large ball of fore and hence is very hot. The sun is actually a star but is the closest to the Earth and hence appears very large. It is the center of the solar system. The sun is also the source and light and energy for Earth. It rises in the East and sets in the West.
Direction in science is the location of any object. It is a relative term where the location of an object is described in relation to another object. The universal directions used on the earth are: East, West, North and South. These are also called cardinal directions.
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