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
Planets of the Hainish Cycle current estimate. On the other hand, giant stars last 100 million years or so, which is much less time than Earth needed to evolve complex life. It is probable that the native humanoids are of Hainish origin, as are many other indigenous populations in the Hainish Cycle, descendents of genetically modified Hanish colonists from the ancient Hanish colonial epoch, similar to other planets in the cycle. This would account for the successful imbreeding, which should not be possible if they had evolved from completely different biospheres. In 1.5 million years, Eltanin will pass within 28 light years of Earth. At