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NASA X-ray spacecraft reveals the shockingly violent history of the Milky Way's supermassive black hole

The supermassive black hole sitting at the heart of our galaxy is considered to be a slumbering giant. However, an ...
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'Super star' being shredded by black hole releases as much energy as 400 billion suns

"This was many times more energetic than any similar event and more than any known explosion powered by the collapse of a ...