Science
What are the "Big Dipper" and "Orion" examples of in the night sky?
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What is the world's largest non-profit, scientific and educational organization?
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Which of these is a unit of length used in marine navigation?
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Dolly was the first ever living creature to be cloned. What type of animal was she?
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What type of lens has a thin middle and makes objects appear smaller?
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The obscuring from sight of one celestial body by another is also by what scientific term?
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What is Neptune's period of revolution around the Sun?
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What are plants that need two years to complete its life cycle?
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