« Essential Guide to the EU – Chapter 11

Centaurus A in radio, optical and X-ray


Galaxy Centaurus A, composite image in sub-millimeter (radio; orange), visible (white) and X-ray radiation (blue). Galaxy’s diameter is approximately 200,000 light years. Credit: X-ray: NASA/CXC/Cfa/R. Kraft et al.: sub-millimeter: MPIfR/ESO/APEX/A.Weiss et al. Optical: ESO/WFI

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