Black hole burps up gobbled gas and dust
Astronomers can use belched remnants to study galaxy evolution
![black hole and galaxies](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2016/01/010616_cc_burping-galaxy_free.jpg?fit=860%2C460&ssl=1)
COSMIC BRAAAAAP Ripples of hot gas (blue arcs, inset) race away from an erupting supermassive black hole in the center of NGC 5195 (upper left), a galaxy entangled with its neighbor, the Whirlpool Galaxy (bottom left).
X-ray: NASA, CXC, E. Schlegel/Univ. of Texas et al; Optical: NASA, STScI