Astronomers Observe A Black Hole Firing A High Energy 'Bullet'.

The article reports that astronomers from the National Aeronautics and Space Administration (NASA) have discovered a black hole in the act of ejecting a highly energetic knot of gas into surrounding space. The astronomers made the discovery with the help of NASA's X-ray Timing Explorer and the Very Long Baseline Array radio telescope. The black hole is part of the binary system H1743-322, which also consists of a star.