1. How far is Mercury from the the Sun?
36 million miles / 58 million km
48 million miles / 77 million km
60 million miles / 97 million km
72 million miles / 116 million km

2. How long does Mercury take to go around the Sun?
26 days
42 days
63 days
88 days

3. How long does a day last on Mercury?
8 days
23 days
59 days
82 days

4. Daytime temperatures on Mercury can reach how high?
100C / 212F
250C / 482F
450C / 840F
600C / 1112F

5. Night time temperatures on Mercury can reach how low?
-170C / -275F
-250C / -418F
-300C / -508F
-450C / -778F

6. Which of the following statements is true?
Mercury's gravity is similar to Earth's
Mercury's mass is similar to Earth's
Mercury's density is similar to Earth's
Mercury's volume is similar to Earth's

7. Mercury is named after which mythological character?
Servant of the gods
Messenger of the gods
Sage of the gods
Teacher of the gods

8. Which of the following statements are true?
Mercury is the same size as the Moon
Mercury is 25% larger than the Moon
Mercury is 50% larger than the Moon
Mercury is twice as large as the Moon

9. In what year did the first spacecraft visit Mercury?
1966
1974
1982
1990

10. How many moons does Mercury have?
0
1
2
3