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The System of Saturn
Christiaan Huygens (1629–95) was born in The Hague, the Netherlands, into a prominent Dutch family. Unlike his grandfather, father, and brother who all served as secretaries and diplomats to the ruling house of Orange, Huygens dedicated himself to science and mathematics. He published three mathematical books, produced a manuscript on hydrostatics, wrote a work on the collision of elastic bodies, did research on centrifugal force, and invented the pendulum clock. Huygens was especially intrigued by the planet Saturn, whose protruding “handles” were visible through the telescopes of the day ...
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Smithsonian Institution