The Energy Sources of Ultraluminous Galaxies

Space & Earth / Astronomy

Nov 27, 2009 | 4.6 / 5 (16) | 1

(PhysOrg.com) -- Ultraluminous infrared galaxies ((ULIRGs) are galaxies whose luminosity exceeds that of a trillion suns; for comparison, the Milky Way galaxy has a typical (and much more modest) luminosity ...