What constitutes space debris and why they need our attention

We are polluting not just the planet, but also the space around it. Space, especially the Low Earth Orbit, is filled with space debris, which includes thousands of pieces of defunct satellites. Space agencies are scrambling to develop technologies to mitigate the threats posed by the debris. One such initiative, called Elsa-D, was launched recently. We will have to wait and watch how far this technology helps solve the problem of space junk. Meanwhile, let’s take a look at what constitutes space debris and why they need our attention...