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![Photo:Black hole burping twice](https://wp-cpr.s3.amazonaws.com/uploads/2019/06/j1354_525-1.jpg)
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.
Related: Researchers Spot Massive Black Hole In Double 'Burp'