Editing 1618 in science

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{{Science year nav|1618}}

The year '''1618 in science''' and technology involved some significant events.

==Astronomy==
* March 8 – May 15 – [[Johannes Kepler]] formulates the [[Kepler's laws of planetary motion|third law of planetary motion]].<ref>{{cite book|first=Arthur I.|last=Miller|title=Deciphering the cosmic number: the strange friendship of Wolfgang Pauli and Carl Jung|url=https://archive.org/details/isbn_9780393065329|url-access=registration|accessdate=March 7, 2011|date=2009|location=New York|publisher=W. W. Norton & Co.|isbn=978-0-393-06532-9|page=[https://archive.org/details/isbn_9780393065329/page/80 80]}}</ref>
* July 21 – [[Pluto]] (not known at this time) reaches an [[aphelion]]. It next comes to aphelion in [[1866 in science|1866]].
* [[Johann Baptist Cysat]], [[Swiss people|Swiss]] [[Jesuits|Jesuit]] geometer and [[astronomer]] and one of [[Christoph Scheiner]]'s pupils, becomes the first to study a [[comet]] through the telescope and gives the first description of the [[Comet nucleus|nucleus]] and [[Coma (cometary)|coma]] of a comet.
* September 6–25 – The [[C/1618 W1|Great Comet of 1618]] is visible to the naked eye. [[James VI and I|James I]] described it as "Venus with a firebrand in her arse".<ref>{{cite book |last1=Ereira |first1=Alan |title=The Nine Lives of John Ogilby |date=2016 |publisher=Duckworth |isbn=9780715652268 |page=xxi}}</ref>

==Biology==
* [[Fortunio Liceti]]'s ''De spontaneo Viventium Ortu'' supports the theory of [[spontaneous generation]] of organisms.

==Medicine==
* The [[Royal College of Physicians|College of Physicians of London]] publishes the ''Pharmacopœia Londinensis''.<ref>{{cite book|author=Medicorum Collegij Londinensis|title=Pharmacopœia Londinensis in qua medicamenta antiqua et nova vsitatissima, sedulò collecta, accuratissimè examinata, quotidiana experientia confirmata describuntur. Opera Medicorum Collegij Londinensis. Ex serenissimi Regis mandato cum R.M. Priuilegio|publisher=Printed by Edwardus Griffin for Iohannis Marriot}} ''See:'' {{cite journal|title=Treasures of the Royal Pharmaceutical Society's collections: ''Pharmacopoeia Londinensis'' 1618 (The London Pharmacopoeia)|url=http://www.pharmaceutical-journal.com/pj-online-the-society-treasures-of-the-royal-pharmaceutical-societys-collections/20012713.article|journal=[[The Pharmaceutical Journal]]|volume=273|date=August 28, 2004|location=London|publisher=[[Royal Pharmaceutical Society of Great Britain]]|page=299|issn=0031-6873}}</ref>

==Births==
* April 2 – [[Francesco Maria Grimaldi]], Italian [[physicist]], discoverer of the diffraction of light (died 1663)
* [[Jeremiah Horrocks]], English [[astronomer]] (died 1641)

==Deaths==
* June 6 – Sir [[James Lancaster]], English navigator (born 1554)
* October 29 – [[Walter Raleigh|Walter Ralegh]], English explorer (born c. 1554)
* [[Luca Valerio]], Italian [[mathematician]] (born 1553)

==References==
{{reflist|colwidth=30em}}

[[Category:1618]]
[[Category:17th century in science]]
[[Category:1610s in science]]