Black hole burps up gobbled gas and dust

Astronomers can use belched remnants to study galaxy evolution

black hole and galaxies

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

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