(NASA, ESA, and J. Comerford/University of Colorado Boulder)This is an image of galaxy SDSS J1354+1327 (lower center) and its companion galaxy (upper right). In the inset box, the older "burp" of gas is seen as blue-green in the inset box, while the more recent "burp" is seen as the bright white light.
identified two of these cosmic burps from a single black hole. The older "burp" has traveled approximately 30,000 light years from the black hole, while the more recent "burp" is only 3,000 light-years away. Comerford says the two events took place just 100,000 years apart, a very short time compared to the 13.8-billion-year age of the universe.
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