Jumbled Galaxy Centaurus A . ... The left over cosmic debris is steadily being consumed by a black hole with a billion times the mass of the Sun which lies at the center of Centaurus A. It's likely that such black hole central engines generate the radio, X-ray, and gamma-ray energy radiated by Centaurus A and other active galaxies . For an active galaxy Centaurus A is close, a mere 10 million light-years away, and is well-studied by earthbound astronomers . ... NASA Official: Jay Norris. ...