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1659 in science

The year 1659 in science and technology involved some significant events.

Astronomy
Christiaan Huygens publishes Systema Saturnium, including the first illustration of the Orion Nebula. ==Mathematics==
Mathematics
• First known use of the term Abscissa, by Stefano degli Angeli. • Swiss mathematician Johann Rahn publishes Teutsche Algebra, containing the first printed use of the 'division sign' (÷, a repurposed obelus variant) as a mathematical symbol for division and of the 'therefore sign' (∴). ==Medicine==
Medicine
Thomas Willis publishes De Febribus. ==Physics==
Physics
Christiaan Huygens derives the formula for centripedal force. ==Births==
Births
• February 27 – William Sherard, English botanist (died 1728) • June 3 – David Gregory, Scottish astronomer (died 1708) ==Deaths==
Deaths
• October 10 – Abel Tasman, Dutch explorer (born 1603) ==References==
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