Why there is practically no atmosphere near the surface of the moon?

Why is there rich amount of carbon dioxide near the surface of earth ?

Can an astronaut listen to the sound produced by another astronaut on the surface of moon?

Explain why oil spreads over the surface of water?

What is the value of 'g' at a height near the surface of earth?

An object weighs 10 N when measured on the surface of the earth. What would be its weight when measured on the surface of the moon?

There is a crater of depth R/100 on the surface of the moon (radius R). A projectile is fired vertically upwards from the crater with velocity, which is equal to theescape velocity v from the surface of the moon. Find the maximum height attained attained by the projectile.

Why there is no life on moon ?