1659 in science

	… 1649 ; 1650 ; 1651 ; 1652 ; 1653 ; 1654 ; 1655 ; ; 1656 ; 1657 ; 1658 ; 1659 ; 1660 ; 1661 ; 1662 ; ; 1663 ; 1664 ; 1665 ; 1666 ; 1667 ; 1668 ; 1669 … ;
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The year 1659 in science and technology involved some significant events.

Astronomy [ edit ]

Christiaan Huygens publishes Systema Saturnium , including the first illustration of the Orion Nebula .

First known use of the term Abscissa , by Stefano degli Angeli . ^[1]
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 ' (∴).

^ According to Moritz Cantor . "Earliest Known Uses of Some of the Words of Mathematics (A)" . Jeff Miller Web Pages . 2010-11-14 . Retrieved 2011-04-24 .