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Gravitation is responsible for making objects accelerate towards each other as well as for the formation of the [[Earth]] and [[Sun]], the [[stars]] and the [[planets]].
Gravitation is responsible for making objects accelerate towards each other as well as for the formation of the [[Earth]] and [[Sun]], the [[stars]] and the [[planets]].
An objects escape speed is the velocity required to escape the gravitational pull of a another object, usually a planet. It ca be expressed as:
An objects escape speed is the velocity required to escape the gravitational pull of a another object, usually a planet. It ca be expressed as: