1575 in science

The year 1575 in science and technology included a number of events, some of which are listed here.

Astronomy

 * Cornelius Gemma is credited with publishing the first scientific illustration of the aurora, in his discussion of the 1572 supernova.

Geology

 * December 16 – Valdivia earthquake in Chile.

Mathematics

 * Guilielmus Xylander uses parallel vertical lines to indicate equality.

Medicine

 * First publication of Ambroise Paré's collected works, Les oeuvres de M. Ambroise Paré, in Paris, including some of the earliest descriptions of forensic medicine.

Publications

 * Cornelius Gemma publishes De naturae divinis characterismis in Antwerp.

Deaths

 * Tomás de Mercado, Spanish economist and theologian (born 1525)
 * Costanzo Varolio, Italian anatomist and a papal physician to Gregory XIII (born 1543)