Radio Telescopes Reveal Unseen Galactic Cannibalism

Monday, June 23, 2008 - 11:28 in Astronomy & Space

Using radio telescopes, astronomers have solved a mystery of how the gigantic black holes at the cores of active galaxies known as Seyfert galaxies get their "food." While visible-light images showed little evidence that these galaxies had any interaction with their neighbors, the radio-telescope images revealed that the galaxies are snacking on their neighbors, and the "meal" ultimately reaches the black hole.

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