Science
What scientist is credited with developing the first vaccine?
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About how many years does it take for Pluto to go around the Sun for a complete revolution?
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Scott and Worden were crewmembers on which Apollo mission?
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What is it called when the Earth, Sun and Moon lie in a straight-line configuration?
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What is the study of stars, planets and galaxies 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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