Science
What is a blue moon?
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What famous scientist introduced the concept of "space-time"?
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Who was the first President of the "Planetary Society", an organization of amateur astronomers?
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What is the potential energy in the nucleus of an atom called?
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What term describes what happens when ice breaks off a main glacier and becomes an iceberg?
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Which scientific term means "measure of resistance to flow in a liquid"?
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What is the main form of energy produced by a laser?
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What spacecraft takes astronauts into space, orbits the Earth and can be flown more than once?
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