JODRELL BANK / SCIENCE PHOTO LIBRARY JODRELL BANK / SCIENCE PHOTO LIBRARY
False-colour radio image of active galaxy 3C 279, a "blazar". Blazars are galaxies whose energy output increases massively over a period of a few months. It is thought that this increased energy output is due to a star near the centre of the galaxy being sucked into the black hole at the galaxy's core. March 1988. The image was recorded at the wavelength of 18cm by the MERLIN radio telescope array based at Jodrell Bank, England.
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