GALILEO DID NOT CONCLUSIVELY SETTLE THE ISSUE OF THE FALLING RATE OF AN OBJECTIN THE GRAVITY FILED. HIS EXPERIMENT AT THE LEANING TOWER PISA WAS NOT ADEQUATE. THIS BOOK SHOWS THE FLAWS IN THAT EXPERIMNET AND CONCLUSIVELY PROVES THAT OBJECTS FALL AT DIFFERENT RATES AND HEAVY ONES FALL FASTER THAN LESS HEAVY ONES.