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The solar system quiz
Five questions on The solar system. Answer all 5 to see your score. Questions are drawn from a bank of 15, so every attempt is different.
Question 1 of 5
The Sun contains about what share of the solar system's mass?
Question 2 of 5
The solar system formed about:
Question 3 of 5
Planets orbit in the same plane because:
Question 4 of 5
The frost line separates:
Question 5 of 5
The leading theory of the Moon's origin is: