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, in Basel, allowing its wider dissemination throughout Europe.
Births
- January 10 – Simon Marius, German astronomer who named the Galilean moons of Jupiter
- July 25 – Christoph Scheiner, German astronomer who observed sunspots
- September 28 – Théodore de Mayerne, Swiss-born physician
Deaths
- April 29 – Guillaume Le Testu, French privateer, explorer and cartographer
- July 29 – John Caius, English physician and benefactor