Calculat the binding energy of the - sum system . Mass of the earth `=6xx 10 ^(24) ` kg , mass of the sun =` 2 xx 10^(30)` kg, distance between the earth and the sun =` 1.5 xx 10^(11)` and gravitational constant = ` 6.6 xx 10 ^(-11)` `N m^(2) kg^(2)`