History of Poland during the Jagiellonian dynasty major towns. Polish science reached its culmination in the first half of the 16th century, in which the medieval point of view was criticized and more rational explanations were formulated. Copernicus' "De revolutionibus orbium coelestium", published in Nuremberg in 1543, shook up the traditional value system extended into an understanding of the physical universe, doing away with its Christianity-adopted Ptolemaic anthropocentric model and setting free the explosion of scientific inquiry. Generally the prominent scientists of the period resided in many different regions of the country, and increasingly, the majority were of urban, rather than noble origin. Nicolaus Copernicus, a son
The Mask of the Sun entitled "The Serpent's Star" was developed in 1983 by Ultrasoft and published by Brøderbund. The Mask of the Sun The Mask of the Sun is an graphical interactive fiction game developed by Ultrasoft and published in North America by Brøderbund and in Europe by Ariolasoft. It was released in 1982 for the Apple II, Atari 8-bit family, and Commodore 64. The hero is Mac Steele, an archaeologist who needs to find the Mask of the Sun in order to obtain an antidote to a poison that afflicts him from an artifact that he found. The game mostly takes place in