Pluto Quiz: Think You Know Pluto?

1. Pluto is named after the Roman and Greek god of

2. Pluto is ____ billion miles away from Earth

3. Pluto’s atmosphere is composed primarily of

4. When was Pluto discovered?

5. Who discovered Pluto

6. How many known satellites does Pluto have?

7. How many Earth years is Pluto’s orbital period?

8. What is the name of the Pluto space probe?

9. The radio transmission time from Pluto to Earth is

10. Which is not a moon of Pluto

11. When was Pluto reclassified as a dwarf planet?

12. The recent Pluto probe carries a CD of

13. The Radioisotope Thermal Generator that powers the Pluto probe is a spare from