The harpoon is clearly aimed at capturing the larger objects but many other solutions have been proposed , including the use of lasers to nudge space junk out of the way , or using giant nets and space tugs . Scientists are scheduled to meet in 2018 to discuss ways of removing space debris . It is estimated that there are 6,000 tons of space junk in Earth 's atmosphere . Space technology company Astrium has devised a plan to harpoon debris . The debris would then be released towards Earth 's atmosphere , where it would burn up .
Scientists are scheduled to meet in 2018 to discuss ways of removing space debris . It is estimated that there are 6,000 tons of space junk in Earth 's atmosphere . Space technology company Astrium has devised a plan to harpoon debris . The debris would then be released towards Earth 's atmosphere , where it would burn up .