Trivial Trivia -- Space

Random Science Quiz

Can you name the answers to these Trivial Trivia questions about space??

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QuestionAnswerJust For Fun
Neptune is primarily composed of what element?
Which planet is home to the largest known mountain in the Solar System?
How many people have walked on the moon?
What is the largest planet in the Solar System?
How many dwarf planets exist within the Solar System?
Where is the headquarters of the International Astronomical Union?
Who was the first dog in Space?
How many planets are in the Solar System?
Does the sun contain more or less than 90% of the Solar system's known mass?
Who was the second man on the moon?

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