Word: guiana
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Dates: during 2010-2019
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...scant 31.4 feet. Yet in all of those places, it still takes 24 hours to complete a single rotation. (The fact that points along the equator move faster than others is the reason NASA and the European Space Agency put their launch pads in Florida and French Guiana, respectively; fire off your rockets in the direction the Earth spins, and you get a free 1,000 miles per hour.) (See the top 10 scientific discoveries...