Many people know that trash is a big ____ on planet Earth. What many don't ____ is that trash has become a problem in ____ space too. Years of space ____ have left tons of "space junk" in orbit around the planet. According to BBC News, there are more than 22,000 pieces of ____ in space around the earth. And these are just the items that we can see from the surface of the earth by ____ or radars. There are also millions of smaller ____ of junk that we can't see. Objects, like bits of old space rockets or satellites, move around the planet at very ____ speeds, so fast that even a very small piece can break important satellites or become dangerous to people, particularly ____. If the tiniest piece of junk crashed into a spacecraft, it could ____ the vehicle. That's because the ____ an object moves, the greater the impact if the object ____ with something else.

Space Trash

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