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A massive black hole at the heart of a galaxy in the Virgo constellation is waking up ... started noticing regular bursts of X-rays coming from the galaxy. This was a sign that the galaxy's sleeping ...
A massive black hole at the heart of a galaxy in the Virgo constellation is waking up ... of X-rays coming from the galaxy. This was a sign that the galaxy's sleeping black hole was waking ...
A massive black hole at the heart of a galaxy in the Virgo constellation is waking up, shooting out intense X-ray flares at regular intervals that have puzzled scientists, a study said Friday.