pluto

Think You Know Pluto?

[Total: 3    Average: 5/5]
Pluto has been in the news quite a bit these past several months. Let’s see if you’ve been paying attention. Feel free to share your score in the comments section. When finished head over to our Pluto Flyby forum thread for the latest news.

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

 
 
 
 

I have a BS in Information Sciences from UW-Milwaukee. I've helped manage Physics Forums for over 14 years. I enjoy learning and reading about new science developments. I have a lovely wife and a cat named Mason.
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