Science
Halley's Comet is predicted to appear again in which year?
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What university did astronomy and space science theorist Carl Sagan teach at?
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Which of these was one of the original universal elements?
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What is the name of the spacecraft that took the first men to the moon?
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The path traveled by a body in space is known as what?
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What inherited syndrome is believed to be part of the make up of many serial killers?
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About how long does it take for sunlight to reach the Earth from the Sun?
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