Asteroids

1. What are the Trojan, Apollo, and Amor asteroids?

2. How are asteroid masses measured?

3. How have the best photographs of asteroids been obtained?

4. What are the Kirkwood gaps? How did they form?

5. How do the C-type and S-type asteroids differ?

6. Are all asteroids found in the asteroid belt? Explain.

7. What might be the consequences if a 10-km-diameter meteorites struck Earth today?