Galaxy Dormant for 100 Million Years — Then a “Cosmic Volcano” Black Hole Exploded, Launching Million‑Light‑Year Jets
For nearly 100 million years, the massive galaxy J1007+3540 appeared calm and inactive. Its central supermassive black hole showed no strong signs of activity. But astronomers recently witnessed a dramatic transformation. The black hole suddenly reawakened, erupting like a cosmic volcano and launching powerful plasma jets stretching almost one million light-years across space. This extraordinary … Read more