http://www.nytimes.com/2016/09/13/science/space-junk-earths-orbit.html 2016-09-13 06:14:01 Is Space Junk Creating Earth’s Own Ring? From a certain point of view, all that stuff does look like a ring. But it’s a far cry from all the ice and rock ringing Saturn. === Q. Will A. Most of the rest of what is left in space is widely scattered in different orbits. Space scientists keep track of the United States Saturn’s apparently permanent rings are made of ice and rock, often very large chunks. Their exact origins are uncertain. One theory is that the rings resulted from the collision of asteroids and other bodies with the many moons of Saturn. Another is that they are leftover material from the original formation of the planet.