1639 in science

List of years in science (table)
... 1629 ^. 1630 ^. 1631 ^. 1632 ^. 1633 ^. 1634 ^. 1635 ... 1636 1637 1638 -1639- 1640 1641 1642 ... 1643 ^. 1644 ^. 1645 ^. 1646 ^. 1647 ^. 1648 ^. 1649 ...
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The year 1639 in science and technology involved some significant events.

Jeremah Horrock's observation of Venus transit across the Sun in 1639. From his work Venus in sole visa, printed 1662

Astronomy

Giovanni Battista Zupi observes that the planet Mercury has orbital phases.
December 4 (November 24 in Julian calendar) – Jeremiah Horrocks, an English astronomer, observes the transit of Venus.

Exploration

The Casiquiare canal, a river forming a natural canal between the Amazon River and Orinoco River basins, is first encountered by Europeans

Mathematics

Girard Desargues introduces the concept of infinity into geometry.^[1]

Births

December 18 – Gottfried Kirch, German astronomer (died 1710)
approx. date – Daniel Greysolon, Sieur du Lhut, French explorer (died 1710)

Deaths

June 6 – Peter Crüger, German polymath (born 1580)
August 7 – Martin van den Hove, Dutch astronomer (born 1605)
Mutio Oddi, Italian mathematician (born 1569)^[2]

References

↑ Crilly, Tony (2007). 50 Mathematical Ideas you really need to know. London: Quercus. p. 28. ISBN 978-1-84724-008-8.
↑ Marr, Alexander (2011). Between Raphael and Galileo: Mutio Oddi and the Mathematical Culture of Late Renaissance Italy. University of Chicago Press. ISBN 978-0-226-50628-9.