2.The phenomenon of up - fall of sun, causing any phenomenon
3.The phenomenon of up - down of the moon, arising from any cause.
4.The sun rises in the east
5.If the moon rotates around itself faster. Be changed?
6.The phenomenon is not related to the Earth's rotation itself.
7.A fall of the sun is useful in any matter.
8.the sunset in any direction.
9.To see the stars each night, more or less each night based on anything.
10.In a season that has shorter daytime than night time.