What evil lurks in the hearts of galaxies? This Hubble Space Telescope picture of the center of the nearby elliptical galaxy NGC 4261 tells one dramatic tale . The gas and dust in this disk are swirling into what is almost certainly a massive black hole . The disk is probably what remains of a smaller galaxy that fell in hundreds of millions of years ago. Collisions like this may be a common way of creating such active galactic nuclei as quasars . Strangely, the center of this fiery whirlpool is offset from the exact center of the galaxy - for a reason that for now remains an astronomical mystery.
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Credit: H. Ford and L. Ferrarese, (Johns Hopkins), W. Jaffe, (Leiden), NASA