Kalendar' nablyudatelya na iyul' 2013 goda
24.06.2013 1:20 | Aleksandr Kozlovskii

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