Kalendar' nablyudatelya na iyul' 2020 goda
23.06.2020 10:10 | Aleksandr Kozlovskii

Ocherednoi vypusk ezhemesyachnika, osveshayushego astronomicheskie yavleniya i nebesnye tela, dostupnye dlya nablyudenii nevooruzhennym glazom i lyubitel'skimi opticheskimi sredstvami

Zhurnal "Nebosvod" za iyul' 2020 goda
23.06.2020 8:55 | Aleksandr Kozlovskii

Ocherednoi nomer zhurnala "Nebosvod" dlya lyubitelei astronomii i ot lyubitelei astronomii

Rentgenovskoe nebo ot teleskopa eROSITA
23.06.2020 | Astronomicheskaya kartinka dnya

Esli by my mogli videt' rentgenovskie luchi, nochnoe nebo pokazalos' by nam strannym i neznakomym. Energiya rentgenovskih luchei primerno v tysyachu raz vyshe, chem u fotonov vidimogo sveta. Rentgenovskoe izluchenie voznikaet pri moshnyh vzryvah i v astronomicheskih ob'ektah s ochen' vysokoi temperaturoi.