1632 in science
- February 22 – Galileo's Dialogue Concerning the Two Chief World Systems (Dialogo sopra i due massimi sistemi del mondo), comparing the Copernican system with the traditional Ptolemaic view, is published in Florence and delivered to his patron, Ferdinando II de' Medici, Grand Duke of Tuscany.
- August 9 – Leiden University in the Dutch Republic resolves to erect the world's first official observatory.
- Martine Bertereau, Baroness de Beausoleil, publishes Véritable déclaration de la découverte des mines et minières.
- January 31 – Jost Bürgi, Swiss clockmaker and mathematician (born 1552)
- May 24 – Robert Hues, English mathematician and geographer (born 1553)
- June 21 – Anselmus de Boodt, Flemish mineralogist and physician (born 1550)
- September 4 (bur.) – Hessel Gerritsz, Dutch cartographer (born c. 1581)
- November 17 – Pierre Richer de Belleval, French botanist (born c. 1564)
- December 8 – Philippe van Lansberge, Flemish astronomer (born 1561)
- Gindikin, Semen Grigor'evich (1988). Tales of Physicists and Mathematicians. Boston: Birkhäuser. p. 62. ISBN 978-0-8176-3317-2. Retrieved 2011-02-22.
- Sobel, Dava (2008-08-30). "Galileo's Dialogue". The Globe and Mail. Toronto. Retrieved 2011-09-26.
- North, J. D. (1989). "Georg Markgraf". The Universal Frame: Historical Essays in Astronomy, Natural Philosophy, and Scientific Method. London: Hambledon. p. 226. ISBN 0-907628-95-8. Retrieved 2011-09-26.