Where a rocket is launch and it is leaves the Earth atmosphere. It started to get converted into the final product to reach its destination ( satellite). Also with a rocket on the satellite burst in the space nearby Earth. The broken pieces started to revolve around the earth and if this process will continue then a covering of metal pieces around Earth will started to reduce the sunlight as sunlight would be reduce due to more metal pieces a time will be come when there will be no life on earth because there wont be no sunlight.