1639 in science
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The year 1639 in science and technology involved some significant events.
Astronomy[edit]
- Giovanni Battista Zupi observes that the planet Mercury has orbital phases.
- December 4 (November 24 in Julian calendar) – English astronomers Jeremiah Horrocks and William Crabtree are the first and only scientific observers of a transit of Venus, predicted by Horrocks.
Exploration[edit]
- The Casiquiare canal, a river forming a natural canal between the Amazon River and Orinoco River basins, is first encountered by Europeans
Mathematics[edit]
- Girard Desargues introduces the concept of infinity into geometry.[1]
Births[edit]
- April 12 – Martin Lister, English naturalist and physician (died 1712)
- December 18 – Gottfried Kirch, German astronomer (died 1710)
- approx. date – Daniel Greysolon, Sieur du Lhut, French explorer (died 1710)
Deaths[edit]
- 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[edit]
- ^ 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.