Tycho Brahe Tycho Brahe Tycho Brahe (; born Tyge Ottesen Brahe; 14 December 154624 October 1601) was a Danish nobleman, astronomer, and writer known for his accurate and comprehensive astronomical and planetary observations. He was born in the then Danish peninsula of Scania. Well known in his lifetime as an astronomer, astrologer and alchemist, he has been described as "the first competent mind in modern astronomy to feel ardently the passion for exact empirical facts." His observations were some five times more accurate than the best available observations at the time. An heir to several of Denmark's principal noble families, he received
Gellio Sasceride erat splendidum" ("[my] debut was excellent"). In 1590, Sasceride had sent to Galileo the only copy of a book until then found in Italy detailing the heliocentric system. The crater Sasserides on the Moon is named after him. It lies near Tycho, named after Tycho Brahe. Gellio Sasceride Gellio Sasceride (Sasserides) (1562–1612) was a Danish astronomer and medical doctor. Sasceride was born in Copenhagen. He worked as an assistant to Tycho Brahe after studying under him. It is believed that the following words were written by Sasceride to Brahe: "Quia adhuc aliquid superest spatii, quae sequuntur paucula, sic expetente typographo,