Science
What is the second planet in distance from the sun?
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Discovered by Alexander Fleming, what is now used to treat infections?
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Which branch of science did young Carl Sagan tell his grandfather he wanted to practice?
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John Glenn was the first American to orbit the earth, in how long a flight?
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How many times is Jupiter larger than Earth in diameter?
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Which planet is the impact crater named the "Caloris Basin" found?
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What is the name of an instrument that records vibrations in the Earth's crust?
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Who is credited with creating the "Big Bang Theory"?
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