as the want of a celestial preposition increase , the bottom levity of that celestial preposition weakens & as the willingly of levity increase , the lighten of the 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 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 & 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