Lubang birong sipabalga

Lubang birong sipabalga (Surat Batak: ᯞᯮᯅᯰᯅᯪᯒᯬᯰᯘᯪᯇᯅᯞ᯲ᯎ; hata Inggeris: suppermassive black hole) i ma sada ragam ni lubang birong na gumodang bontonna (M☉) ditudoshon dohot bonton ni mataniari. Di hagodangan manang agia di saluhut galaksi disurasura adong lubang birong sipabalga di tongana i. Di Bima Sakti on, dibotohon adong do lubang birong sipabalga na margoar Sagittarius A*Ghez, A.; Klein, B.; Morris, M.; Becklin, E (1998). "High Proper-Motion Stars in the Vicinity of Sagittarius A*: Evidence for a Supermassive Black Hole at the Center of Our Galaxy". The Astrophysical Journal 509 (2): 678–686. 

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Horong:Astronomi