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The year 1612 in science and technology involved some significant events.

Astronomy

• The first description of the Andromeda Galaxy based on observations by telescope is given by Simon Marius.
• December 28 – Galileo observes the planet Neptune for the first time when it is in conjunction with Jupiter, but mistakenly catalogues it as a fixed star because of its extremely slow motion along the ecliptic, and it will not be properly identified until 1846.

Medicine

• Santorio Sanctorius puts the thermometer to medical use.

Births

• approx. date – William Gascoigne, English inventor (died 1644)

Deaths

• February – John Gerard, English herbalist (born c. 1545)
• February 6 – Christopher Clavius, German mathematician and astronomer (born 1537)
• February 12 – Jodocus Hondius, Flemish cartographer (born 1563)
• November 20 – Sir John Harington, English inventor (born 1561)

References

1. "Andromeda Galaxy". Encyclopædia Britannica. Retrieved 3 April 2018.
2. "Santorio Santorio – Italian physician". Encyclopædia Britannica. Retrieved 3 April 2018.
3. Vaquero, J. M.; Vázquez, M. (2009). The Sun Recorded Through History. Springer Science & Business Media. p. 236. ISBN 9780387927909.
4. "John Gerard – English herbalist and author". Encyclopædia Britannica. Retrieved 3 April 2018.
5. "The Galileo Project". galileo.rice.edu. Retrieved 3 April 2018.
6. "Jodocus Hondius". brbl-dl.library.yale.edu. Retrieved 3 April 2018.
7. "Sir John Harington – English author". Encyclopædia Britannica. Retrieved 3 April 2018.

• 1612 in science
• 17th century in science
• 1610s in science