1609 in science explained

The year 1609 in science and technology involved some significant events.

Astronomy

• July 26 – English scientist Thomas Harriot becomes the first to draw an astronomical object after viewing it through a telescope: he draws a map of the Moon, preceding Galileo by several months.^{[1] [2]}
• Johannes Kepler publishes Astronomia nova, containing his first two laws of planetary motion.

Biology

• Charles Butler publishes The Feminine Monarchie, or, A Treatise Concerning Bees.

Exploration

• April 4 – Henry Hudson sets out from Amsterdam in the Halve Maen.^[3]
  • August 28 – Hudson finds Delaware Bay.
  • September 11–12 – Hudson sails into Upper New York Bay^[4] and begins a journey up the Hudson River.^[5]

Medicine

• Louise Bourgeois Boursier publishes Diverse Observations on Sterility; Loss of the Ovum after Fecundation, Fecundity and Childbirth; Diseases of Women and of Newborn Infants in Paris, the first book on obstetrics written by a woman.^[6]
• Jacques Guillemeau publishes De l'heureux accouchement des femmes in which he describes a method of assisted breech delivery.

Technology

• Cornelius Drebbel invents the thermostat.

Births

• June 29 – Pierre Paul Riquet, French engineer and canal builder (died 1680)
• October 8 – John Clarke, English physician (died 1676)

Deaths

• March 26 – John Dee, English alchemist, astrologer and mathematician (born 1527)^[7]
• April 4 – Carolus Clusius, Flemish botanist (born 1525)
• August 4 - Joseph Duchesne, French physician and alchemist (born c.1544).^[8]
• August 16 : André du Laurens, French physician and gerontologist (born 1558).^[9]
• December – Oswald Croll, German iatrochemist (born c. 1563)

Notes and References

1. Web site: 'English Galileo' maps on display. Christine. McGourty. BBC News. 2009-01-14. 2012-07-04.
2. Web site: Thomas Harriot's Moon Drawings. The Galileo Project. 1995. 2012-07-04.
3. Book: Hunter, Douglas. 2009. Half Moon: Henry Hudson and the voyage that redrew the map of the New World. London. Bloomsbury Press. 1-59691-680-X. 11.
4. Web site: New York's many 9/11 anniversaries: the Staten Island Peace Conference. Nevius. Michelle. James. Inside the Apple: A Streetwise History of New York City. 2008-09-08. 2011-10-25.
5. Book: Juet, Robert. Juet's Journal of Hudson's 1609 Voyage. 1625. Hakluytus Posthumus, or Purchas his Pilgrimes. 4. Purchas, Samuel. Samuel Purchas.
6. Book: Anzovin, Steven. Famous First Facts. 2000. H. W. Wilson Co. 0-8242-0958-3.
7. Web site: R. Julian. Roberts. Dee, John (1527–1609). Oxford Dictionary of National Biography. Oxford University Press. 2004. 2011-04-18. 10.1093/ref:odnb/7418.
8. Web site: Joseph Du Chesne (Sieur de la Violette, 1544-1609) . data.bnf.fr . Bibliothèque nationale de France . 23 December 2020.
9. Book: Pierre Bayle. Dictionnaire historique et critique. 1711. P. Brunel. 69.