ග්රහලෝක වලට ලං වෙනකොට ඒවගේ ගුරුත්වය දිහාවට ඇදිලා යන්න පුළුවන් ඇති.
Gravity is F = G*((m sub 1*m sub 2)/r^2)
where F is the force of attraction between the two bodies, G is the universal gravitational constant, m sub 1 is the mass of the first object, m sub 2 is the mass of the second object...