How Much Do You Know About The Planets?

Do you think you are totally solar system savvy? Take these 12 questions and find out how much you really know about the great beyond that is space!
START THE QUIZ!

Question 1/12

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What are the four terrestrial planets?
Mercury, Venus, Earth, and Mars
Earth, Mars, Uranus, and Neptune
Jupiter, Saturn, Mars, and Earth
Next Question

Question 2/12

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What is the coldest planet in the solar system?
Saturn
Uranus
Neptune
Next Question

Question 3/12

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Which planet boasts the largest mountain in the solar system?
Earth
Mars
Mercury
Next Question

Question 4/12

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Which planet is known as the "Gas Giant?"
Mars
Earth
Jupiter
Next Question

Question 5/12

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How many rings is Saturn estimated to have?
30+
15
25
Next Question

Question 6/12

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How long is one year on Mercury?
250 earth days
150 earth days
88 earth days
Next Question

Question 7/12

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Which planet is known as both the morning star and the evening star?
Mars
Venus
Jupiter
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Question 8/12

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Which planet has the greatest density?
Earth
Jupiter
Mercury
Next Question

Question 9/12

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What is the hottest planet in the solar system?
Mercury
Earth
Venus
Next Question

Question 10/12

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How many planets are in the solar system?
9
8
7
Next Question

Question 11/12

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How many known moons does Neptune have?
13
10
11
Next Question

Question 12/12

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Which is considered the flattest planet in the solar system?
Neptune
Saturn
Uranus
Result
You are a bit of a Space Case. You don't quite have a handle on your space facts just yet, but look to the stars, and in time, you'll be space savvy!

C+, Space Case

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Right!
You are a total Space Pro. It appears as if you know your solar system facts well. Apparently you paid close attention in junior high science class. We commend you for your space knowledge!

B+, Space Pro

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Right!
Well done! You are a Galaxy Star. Not only do you know your eight planets, but you know individual facts about each one. That's not as simple as it sounds. Give yourself a high five for being so solar system smart!

A+, Galaxy Star

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Right!
Check Your Answers
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1
What are the four terrestrial planets?
Mercury, Venus, Earth, and Mars
Earth, Mars, Uranus, and Neptune
Jupiter, Saturn, Mars, and Earth
2
What is the coldest planet in the solar system?
Saturn
Uranus
Neptune
3
Which planet boasts the largest mountain in the solar system?
Earth
Mars
Mercury
4
Which planet is known as the "Gas Giant?"
Mars
Earth
Jupiter
5
How many rings is Saturn estimated to have?
30+
15
25
6
How long is one year on Mercury?
250 earth days
150 earth days
88 earth days
7
Which planet is known as both the morning star and the evening star?
Mars
Venus
Jupiter
8
Which planet has the greatest density?
Earth
Jupiter
Mercury
9
What is the hottest planet in the solar system?
Mercury
Earth
Venus
10
How many planets are in the solar system?
9
8
7
11
How many known moons does Neptune have?
13
10
11
12
Which is considered the flattest planet in the solar system?
Neptune
Saturn
Uranus