Name the part of the sun that we can see without any instruments?
The 29 days it takes the moon to complete an orbit around the earth is called a?
How old is our earth?
Is pluto really a planet?
Explain how far away from earth, is space?
The first man who walked on the moon?
How stars are formed?
How do clouds form?
Why these stars are called novae?
How big is venus?
Which was the vehicle used for the first landing on the moon?
Is the moon escaping the earth?
In which constellation is abig nebula still giving birth to stars?
Is the gravitational pull on an object equalized if the object is at the center of a planet, i.e. Surrounded by the mass of the planet, which is creating the gravity?
How many planets are in the new solar system?