3) Gravity of Earth

Introduction of Gravity.

Gravity is a thing that pulls two object too each other.

The Gravity for the Rocket.

For a rocket it is very hard to go away from the Earth and Moon. The pressure of the Gravity is not for the Earth only, it is for the space also. The Gravity is only till the moon. A rocket is launch from the ground to the sky but it is not easy as you think because when the rocket files, the Gravity tries to pull the rocket back to Earth. The rocket pushes so hard that it can finally go to outer space.