of nuts, bolts, and other debris from missions form space an orbiting garbage dump. Some of these bits and pieces fall back into Earth's atmosphere and behave just like any other meteor, lighting up the sky like a falling star. According to NASA, there must be over 100,OOO objects with a diameter of one to ten centimeters floating around space. The number of fragments less than one centimeter could be in the millions. The U.S. Space Command is