1573 in science

The year 1573 in science and technology included many events, some of which are listed here.

Astronomy

 * Tycho Brahe publishes De Stella Nova.

Medicine

 * Publication of the Chirurgia Magna of Paracelsus, a translation into Latin of his work on surgery, Die grosse Wundartzney (1536), in Basel, allowing its wider dissemination throughout Europe.

Births

 * January 10 – Simon Marius, German astronomer who named the Galilean moons of Jupiter (died 1624)
 * July 25 – Christoph Scheiner, German astronomer who observed sunspots (died 1650)
 * September 28 – Théodore de Mayerne, Swiss-born physician (died 1655)

Deaths

 * April 29 – Guillaume Le Testu, French privateer, explorer and cartographer (born c. 1509)
 * July 29 – John Caius, English physician and benefactor (born 1510)