Science
Who discovered the supernova and was the first to theorize that stars "die"?
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What is molten rock beneath the surface of the earth called?
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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 does splitting a laser light into two beams through a silver mirror make?
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Which of these is the formula to convert Fahrenheit to Celsius?
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How many tiles make up the outer "skin" of Spaceship Earth, in EPCOT?
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Where on the moon did people first land a spacecraft?
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