Science
In which constellation was the first double star observed?
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How do scientists refer to the direction from which the wind is blowing?
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The oldest living tree is 4,843 years old and can be found where?
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What spacecraft takes astronauts into space, orbits the Earth and can be flown more than once?
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What liquid is used as a standard when measuring density?
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Which tiny moon orbiting the asteroid Ida was discovered in 1994?
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What type of lens has a thin middle and makes objects appear smaller?
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