Science
What famous scientist introduced the concept of "space-time"?
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Which of these measurements of distance is the longest?
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Which Apollo mission were Edward White and Gus Grissom selected for?
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What sort of electricity do you get when you rub two balloons and they stick together?
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Which Apollo mission was launched on April 11, 1970?
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The obscuring from sight of one celestial body by another is also by what scientific term?
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When cool or cold air suddenly drops to the ground, it is known as a what?
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In which constellation does the vernal equinox appear?
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Which is the planet with the greatest average density?
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