There is no atmosphere on the moon because –

There is no atmosphere on the surface of the moon because

Which one of the following gases is minimum in the atmosphere?

The mass of a body on the Earth is 100 kg, then the mass of the body on the Moon is :

Astronauts in space can not stand erect. This is because, in space –

An artificial satellite orbiting around the Earth does not fall down. This is so because the attraction of Earth