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Space
Space
Science
Keith Cooper

The Milky Way's monster black hole let out a huge blast 200 years ago. We can now listen to its echo (video)

purple clouds of gas in space

The supermassive black hole at the center of our Milky Way galaxy woke up and unleashed a fierce outburst of X-rays around the turn of the 19th century, according to new observations of the 'echoes' of the event.

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