What is meant by space debris ? Why there is need to manage debris ?

Explanation

(i) In space non- essential object revolving around the earth are termed as debris in space.
(ii) Along with the artificial satellites , some other objects like non- functional satellites , parts of the launcher detached during launching and debris generated due to collision of satellite with other satellite or any other object in the space are also revolving around the earth.
(iii) This debris can collide with the satellites or spacecrafts and damge them . This debris is increasing day by day . Soon , It will be difficult to launch new spacecrafts. Therefore it is very essential to manage the debris.
(iv) Some studies and experiments are being done to find a solution for this problem .