Space Junk Crossword

2. The most well-known type of space junk is big objects such as dead satellites or parts of ________ left in space after separation.
5. Some space debris can even be as large as a ___________.
7. The cause of all space junk.
9. Small space junk can also be things lost by _________ during space walks.
11. if we don’t act now the debris will continue to grow creating a domino effect of ___________ that will be impossible to stop.
12. Objects launched into space have a limited ________.

1. re-entering debris releases harmful chemicals including alumina, which can deplete the ozone layer and contribute to atmospheric __________.
3. While some space junk is the passage of time, some come from _________ between satellites.
4. During anti-satellite weaponry tests ___________ are shot down by the same countries that put them in space.
6. Any piece of machinery or debris left in space by humans.
8. There are around 2,000 _______ satellites currently orbiting earth.
10. How many times faster than a bullet can space junk move.