(AFP) — Millions of pieces of man-made debris are currently orbiting the earth. This huge cloud of space junk is suspended between 800 and 2,000 kilometers above us. Since space exploration began in 1957, fragments from more than 5,000 space launches and 290 orbital explosions have been accumulating. Old rockets, satellites, tools lost by astronauts and even flecks of paint pose a serious threat to future space exploration, particularly manned flights and stations. Sensors carried […]