astronomers 1 [vynechat] astronomical observations 1 [vynechat] astronomické pozorovania 1 [vynechat] astronómovia 1 [vynechat] constallations 1 [vynechat] copper engraving 1 [vynechat] drahé kamene 1 [vynechat] historical maps 1 [vynechat] historické mapy 1 [vynechat] horniny 1 [vynechat] hviezdna obloha 1 [vynechat] illustrations 1 [vynechat] ilustrácie 1 [vynechat] medirytiny 1 [vynechat] minerály 1 [vynechat] star sky 1 [vynechat] súhvezdia 1 [vynechat]