Space debris spotlight   In this animation, catalogued space debris are shown accumulating around Earth in 4-year increments, including payloads, rocket bodies, and fragments. While the debris objects are not shown to scale, the representation of their density is accurate.   Dr. Walter Flury heads the space debris research and policy advisory effort at the European Space Agency's Space Operations Centre (ESOC), Darmstadt, Germany. Daily collision warning by email     Sample of an automatically generated email message sent daily based on data held in the DISCOS database to ESA operations staff warning of potential collisions between ESA spacecraft and known space debris. Last update: 28 September 2007