Existence of the universe

It is so vast and nobody has seen of the edge of it.

• Universe

• Life

• Body

• Animal

What is the large satellite on Earth?

• Mercury

• Earth

• Moon

• Venus

It is the only star close enough to us and serves as the key in understanding other stars.

• Moon

• Sun

• Earth

• Universe

It is used as clean, inexpensive alternative source of power.

• Wind

• Moon

• Solar Energy

• Sun

What is the most obvious influence of the moon on the earth?

• Tides

• Ocean Tides

• Moon

• Earth