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→Mass v. Weight: Spelling/Grammar Check, typos fixed: Moreover → Moreover,
where g is the surface gravity at any given point on any given body and m is an object's mass.
where g is the surface gravity at any given point on any given body and m is an object's mass.
The concept of weight still has a practical meaning in the planning of missions, crewed or non-crewed, to various celestial bodies. Weight is the force that a spacecraft's engines will need to counteract during liftoff and landing. Moreover the difference in the weight of a man on Earth and on a body to be explored will dictate how much equipment an exploratory crewman can carry on that body.
The concept of weight still has a practical meaning in the planning of missions, crewed or non-crewed, to various celestial bodies. Weight is the force that a spacecraft's engines will need to counteract during liftoff and landing. Moreover, the difference in the weight of a man on Earth and on a body to be explored will dictate how much equipment an exploratory crewman can carry on that body.
== Calculation of surface gravity ==
== Calculation of surface gravity ==