Science
Who discovered the supernova and was the first to theorize that stars "die"?
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John Glenn was the first American to orbit the earth, in how long a flight?
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What distinction does Mira (Omicron Ceti) hold in astronomy?
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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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Which substance will have the highest increase in temperature for the same amount of heat?
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What is the repeated sound when sound waves bounce off other objects called?
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A ramp is an example of which of these simple machines?
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The four engines of a Boeing 747 jet produce 188,000 pounds (85,275 kilograms) of what?
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