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Date: 2009-01-30 11:00:20Milky Way Galaxy Supermassive black holes Plasma physics Observational astronomy Chandra X-ray Observatory X-ray astronomy Sagittarius A Harvard–Smithsonian Center for Astrophysics Leon Van Speybroeck Astronomy Space Sagittarius constellation | Chandra :: Photo Album :: Arches, Quintuplet, and GC Star Clu...Add to Reading ListSource URL: chandra.harvard.eduDownload Document from Source WebsiteFile Size: 55,33 KBShare Document on Facebook |