The Current | May 23, 2014 | 21:57
Do we need a giant fence to protect us from 'space junk'? - May 23, 2014
From dead satellites, to spent rocket boosters, the earth has an orbiting junk yard.The U.S. plans to build a giant electronic fence to track millions of pieces of space debris. But how dangerous is this space junk? And is building a fence the answer?