title: 1575 in science
text: # 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)
  