This image made available by NASA on Thursday, Feb. 27, 2020 shows the Ophiuchus galaxy cluster viewed in a composite of X-ray, radio and infrared data. The inset image at bottom right shows data from the Chandra X-ray Observatory which confirmed a cavity formed by a record-breaking explosion from a super-massive black hole. The explosion was so large it carved out a crater in the hot gas that could hold 15 Milky Ways, said lead author Simona Giacintucci of the Naval Research Laboratory in Washington.

Biggest explosion seen in universe came from black hole


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