Kalendar' nablyudatelya na iyun' 2013 goda
25.05.2013 13:16 | Aleksandr Kozlovskii

Ocherednoi vypusk ezhemesyachnika Kalendar' nablyudatelya rasskazhet vam ob osnovnyh yavleniyah iyunya mesyaca dostupnyh dlya nablyudenii nevooruzhennym glazom i lyubitel'skimi opticheskimi sredstvami....