Crash

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Across
  1. 2. What do scientists and experts use to track asteroids?
  2. 6. Where did an asteroid explode in 1908?
  3. 7. How many years ago did asteroids form?
  4. 9. A small asteroid is the size of a __________.
Down
  1. 1. What asteroid will fly by earth in 2029?
  2. 3. Where will be the best place to see Apophis in 2029?
  3. 4. How many asteroids are there flying around?
  4. 5. What is needed to pull an asteroid?
  5. 8. What is the path of an asteroid called?