Publikacii
za 26 avgusta 2020.
Razdel: Lyubitel'skaya astronomiya
Kalendar' nablyudatelya na sentyabr' 2020 goda Ocherednoi vypusk ezhemesyachnika, osveshayushego astronomicheskie yavleniya i nebesnye tela, dostupnye dlya nablyudenii nevooruzhennym glazom i lyubitel'skimi opticheskimi sredstvami |
|