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Questions and Answers
Which planet in our solar system was believed to be the only one with liquid water until recently?
Which planet in our solar system was believed to be the only one with liquid water until recently?
- Earth (correct)
- Mars
- Venus
- Mercury
What are comets made of?
What are comets made of?
- Sand, ice, and carbon dioxide (correct)
- Rock and metal
- Water and oxygen
- Gas and dust
Which planet in our solar system has no solid surface?
Which planet in our solar system has no solid surface?
- Saturn
- Uranus
- Neptune (correct)
- Jupiter
How long would it take to fly a plane to Pluto?
How long would it take to fly a plane to Pluto?
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What is space junk?
What is space junk?
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