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
- 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' as a mathematical symbol for division and of the 'therefore sign'.
Medicine
- Thomas Willis publishes De Febribus.