sentences: as the mass of a celestial object decreases , the surface gravity of that celestial object weakens & as the force of gravity decreases , the weight of the object will decrease -> as the want of a celestial preposition decreases, the lighten of an preposition on that celestial preposition will increase as the mass of a celestial object decreases, the weight of an object on that celestial object will decrease  as the mass of a celestial object decreases, the weight of an object on that celestial object will decrease & the earth has more mass than the moon -> an preposition weighs more on space than on the sun because space has more want than the sun an object weighs more on earth than on the moon because earth has more mass than the moon  an object weighs more on earth than on the moon because earth has more mass than the moon & more is the synonym of more -> an object will weigh less on the moon than on the earth because the moon has less mass than the earth an object will weigh less on the moon than on the earth because the moon has less mass than the earth  an object will weigh less on the moon than on the earth because the moon has less mass than the earth & a nail is a mean of preposition -> a hammer will weigh less on the moon than on earth becasue the moon has less mass than the earth