Solar System Quiz

by Fraser Cain on July 31, 2008

Montage of the Solar System. image credit: NASA/JPL

Montage of the Solar System. image credit: NASA/JPL

Ready…
1. How many planets are in the Solar System?

  • a. 8
  • b. 9
  • c. 10
  • d. 12



2. How old is the Solar System?

  • a. 65 million years
  • b. 1.2 billion years
  • c. 4.6 billion years
  • d. 13.7 billion years



3. What is the biggest moon in the Solar System?

  • a. The Moon
  • b. Ganymede
  • c. Titan
  • d. Triton



4. What is the least dense planet in the Solar System?

  • a. Jupiter
  • b. Saturn
  • c. Uranus
  • d. Neptune



5. What is the most dense planet in the Solar System?

  • a. Mercury
  • b. Venus
  • c. Earth
  • d. Mars



6. Where is the tallest mountain in the Solar System?

  • a. Mercury
  • b. Venus
  • c. Earth
  • d. Mars



7. How many planets are known to have life?

  • a. 0
  • b. 1
  • c. 2
  • d. 3



8. What is the most abundant element in the Solar System?

  • a. oxygen
  • b. helium
  • c. carbon
  • d. hydrogen



Answers: 1. a, 2. c, 3. b, 4. b, 5. c, 6. d, 7. b, 8. d

Well, how did you do with our Solar System quiz?

Here’s a link to a 3 D Solar System

About 

Fraser Cain is the publisher of Universe Today. He's also the co-host of Astronomy Cast with Dr. Pamela Gay.

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