1. Have you thoroughly read chapter 1?

2. What does the word "cosmos" mean?

3. About how old is the universe?

4. About how old is our solar system?

5. Who was Alexandria named for?

6. In round numbers, about how many volumes did the library of
Alexandria contain?

7. How did Eratosthenese measure the circumference of the earth?

8. What are Saturn's rings made of?

9. What is the name of Pluto's moon?

10. About how many stars are in our Milky Way galaxy?