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Near-Earth Objects (NEOs) Quiz

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1. What is the definition of a Near-Earth Object (NEO)?

2. Which institution is responsible for the detection, tracking and characterization of Near-Earth Objects?

3. What is the potential impact of a large Near-Earth Object with Earth?

4. What are two main categories of Near-Earth Objects?

5. What is the size range of Near-Earth Objects discovered so far?

6. What is the Torino Scale?

7. What is a Meteoroid?

8. Which NEO event resulted in the extinction of the dinosaurs?

9. Why does NASA track Near-Earth Objects?

10. What is the difference between a comet and an asteroid?