G21.5-0.9: kosmicheskaya obolochka Sverhnovoi
21.04.2005 | Astronomicheskaya kartinka dnya

Kosmicheskaya obolochka na etom izobrazhenii poyavilas' v rezul'tate vzryva chudovishnoi sily. Zvezda s massoi, v 20 raz bol'she massy Solnca, vzorvalas' kak Sverhnovaya , i ee vneshnie sloi razletelis' v rezul'tate etogo vzryva. Pri razlete oskolkov v okruzhayushem mezhzvezdnom prostranstve obrazovalas' udarnaya volna, kotoraya nagrela gaz, i ostatok Sverhnovoi nachal izluchat' v rentgenovskom diapazone.