astronómia 4 [vynechat] astronomy 3 [vynechat] dejiny astronómie 3 [vynechat] history of astronomy 3 [vynechat] astronomical observatories 2 [vynechat] astronomické pozorovania 2 [vynechat] hvezdárne 2 [vynechat] odborná terminológia 2 [vynechat] Slnko 1 [vynechat] astronomical observations 1 [vynechat] hviezdna obloha 1 [vynechat] planetariums 1 [vynechat] planetáriá 1 [vynechat] slnečná fotosféra 1 [vynechat] star sky 1 [vynechat] terminology (professional) 1 [vynechat]