Galileo Galilei

/ˌgæləˈleɪoʊ ˌgæləˈleɪi/

Definitions of Galileo Galilei

1. noun

   Italian astronomer and mathematician who was the first to use a telescope to study the stars; demonstrated that different weights descend at the same rate; perfected the refracting telescope that enabled him to make many discoveries (1564-1642)
   synonyms: Galileo

   example of:

   astronomer, stargazer, uranologist

   a physicist who studies astronomy