Lesson #303
ScienceEarth’s atmosphere is getting cluttered with man-made space junk
Did you know there are hundreds of thousands of man-made objects circling our planet? The objects are also multiplying: they collide into each other and split into smaller pieces. Scientists around the world are trying to figure out how to harness the objects from space and bring them back down to earth, but there isn’t a proven method yet. Plus, learn what a “close call” is.