Sentences with phrase «central black holes generate»
Astronomers believe that supermassive, central black holes generate the radio, X-ray, and gamma - ray energy radiated by active galaxies such as Centaurus A, as well as quasars like SDSS J1030 +0524.
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Most astronomers think that these objects generate their enormous amounts of energy as gravity and friction heat material that falls into a central «supermassive» black hole.
Until recently, it was not clear what prevented the delicate filaments from being destroyed by competing gravitational forces, but Hubble Space Telescope images suggest they are supported by magnetic fields generated near the galaxy's central black hole.