1743 in science

	… 1733; 1734; 1735; 1736; 1737; 1738; 1739; ; 1740; 1741; 1742; 1743; 1744; 1745; 1746; ; 1747; 1748; 1749; 1750; 1751; 1752; 1753 …;
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The year 1743 in science and technology involved some significant events.

Astronomy

November 29 – Discovery of C/1743 X1, the 'Great Comet of 1744' (sic.), by Jan de Munck at Middelburg and subsequently by de Chéseaux and Klinkenberg.^[1]

May 19 – French physicist Jean-Pierre Christin of Lyon publishes the design of a mercury thermometer with a centigrade scale running from 0 representing the freezing point of water and 100 its boiling point.

June 2 – British surgeon William Hunter presents his paper "Of the structure and diseases of articulating cartilages".^[2]

^ De Munck, J. (1744). Sterrekundige Waarneemingen op de Comeet of Staart-Sterre: Sedert den 29 November des Jaars 1743; tot op den 1 Maart van den Jaare 1744. Amsterdam; Middelburg: Isaak Tirion; Hendrik van Hoekke.
^ Hunter, William (1743). "Of the Structure and Diseases of Articulating Cartilages". Philosophical Transactions of the Royal Society. 42 (470). London: 514–21. doi:10.1098/rstl.1742.0079. PMID 7671493. S2CID 186214128. Retrieved 2012-01-05.^{[permanent dead link]}
^ "Copley Medal | British scientific award". Encyclopedia Britannica. Retrieved 21 July 2020.