Black hole at centre of our galaxy 'woke up' 200 years ago - Yahoo News UK
- Black hole at centre of our galaxy 'woke up' 200 years ago Yahoo News UK
- X-ray echoes reveal recent bright flash from Milky Way's black hole New Atlas
- Eerie Echo Detected Coming From Milky Way's Black Hole 200 Years Ago (Listen) Good News Network
- Our galaxy's black hole not as sleepy as thought: astronomers Phys.org
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