Here is some information about the gravity. Gravity is a fundamental force of physics, one which we Earthlings tend to take for granted. You can’t really blame us. Having evolved over the course of billions of years in Earth’s environment, we are used to living with the pull of a steady 1 g (or 9.8 m/s²). However, for those who have gone into space or set foot on the Moon, gravity is a very tenuous and precious thing. And if you need to have it written in the form of an essay or other paper type, you may actually do not worry and contact the writers from Prime writing service. Their help is invaluable.