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 Programme Before the Sentinel missions provide data to Copernicus, numerous existing or planned space missions provide or will provide data useful to the provision of Copernicus services. (These missions are often referred to as ""GMES Contributing Missions (GCMs)"".) Data provided by non-European satellite missions (e.g. LANDSAT, GOSAT, RADARSAT-2) can also be used by Copernicus. GMES In-Situ Coordination (GISC). GISC is a FP7 funded initiative, will last for three years (January 2010 – December 2012) and is coordinated by the European Environment Agency (EEA). "In-situ" data are all data from sources other than Earth observation satellites. Consequently, all ground-based, air-borne, and ship/buoy-based