The danger that space junk poses is that there is a huge chance that they might collide with one another and produce even more debris. “The most recent case of such a collision, for instance, happened on Jan. 17, 2005, when a piece of debris from an exploded Chinese rocket smashed into a 31-year-old American rocket that had been left alone. The collision only produced four pieces of debris, but observers fear it’s only a matter of time before such pieces create an unstoppable chain reaction.” Since these debris travel at great speeds, coupled with the earth’s gravitational pull, it may only be a matter of time before the space junk gets pulled back to the earth’s surface, creating even more problems.
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