Science
Who discovered the supernova and was the first to theorize that stars "die"?
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What are the loosely packed cells just inside the upper epidermis called?
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The Great Red Spot of Jupiter is as wide as how many times as wide as Earth?
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What is a space which is entirely devoid of matter called in science terms?
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What is a return of the electron beam to the top of a television picture tube?
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What section of an insect's body are the legs and wings attached to?
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