Because otherwise if there was no gravity there would be no trees, therefore no oxygen so we would die, and if somehow we survived that then we will explode.
Gravity and inertia.
The Earth has an atmosphere because it has the gravity necessary to keep the gases from floating off into space. The more mass a planet has, the more gravity it has, and the more gravity it has, the thicker an atmosphere it can sustain.
The gravity of Earth is 2.6 times that of Mars.Mars's gravity is 38% of Earth's gravity.
No. The earth has its own gravity. The lunar gravity causes tides on earth, but does not control earth's gravity.
No - the gravity of Earth is due to its mass.No - the gravity of Earth is due to its mass.No - the gravity of Earth is due to its mass.No - the gravity of Earth is due to its mass.
The gravity of Charon is about 3% that of Earth.
Earth will always have gravity for gravity is a result of mass.
mercury gravity: earth gravity
Earth's gravity is 1g.
The earth currently has gravity.
Well on earth everywhere this is gravity. but once you leave earth there is no more gravity ----------------------------------------------------------------------------------------------- No, gravity is present through out all space. When you leave the Earth and go into orbit round it, it APPEARS that there is no gravity, but gravity is causing you to orbit the Earth. You do not feel this gravity because you are in free fall.
Mars has approximately one third the surface gravity of the earth