Nicolaus Copernicus Albert, Alexander Jagiellon, and Sigismund I the Old. He was a friend and key advisor to each ruler, and his influence greatly strengthened the ties between Warmia and Poland proper. Watzenrode came to be considered the most powerful man in Warmia, and his wealth, connections and influence allowed him to secure Copernicus' education and career as a canon at Frombork Cathedral. Copernicus is postulated to have spoken Latin, German, and Polish with equal fluency; he also spoke Greek and Italian, and had some knowledge of Hebrew. The vast majority of Copernicus's extant writings are in Latin, the language of European
Copernicus (lunar crater) Copernicus (lunar crater) Copernicus is a lunar impact crater named after the astronomer Nicolaus Copernicus, located in eastern Oceanus Procellarum. It typifies craters that formed during the Copernican period in that it has a prominent ray system. Copernicus is visible using binoculars, and is located slightly northwest of the center of the Moon's Earth-facing hemisphere. South of the crater is the Mare Insularum, and to the south-south west is the crater Reinhold. North of Copernicus are the Montes Carpatus, which lie at the south edge of Mare Imbrium. West of Copernicus is a group of dispersed lunar hills. Due to