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A distant galaxy that lay quiet for decades has suddenly stirred, lighting up in dramatic bursts that have caught astronomers ...
Now, this same black hole is once again captivating scientists with an extraordinary gamma-ray flare that’s emitted photons ...
A mysterious black hole in a distant galaxy just woke up after decades of silence—and it’s putting on a cosmic light show!
"This pushes our models to their limits and challenges our existing ideas about how these X-ray ... black hole at the heart of the galaxy SDSS1335+0728, located about 300 million light-years ...