This LOFAR DR2 image of J1007+3540, layered over an optical Pan-STARRS image, reveals a bright inner jet that marks the renewed activity of a once dormant supermassive black hole at the centre of the giant radio galaxy. (Image:  LOFAR/Pan-STARRS/S. Kumari et al.)
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Moneycontrol17-01-2026, 13:28

Indian Scientists Witness Supermassive Black Hole's Dramatic 'New Birth' After 100 Million Years

  • Indian scientists observed a supermassive black hole in galaxy J1007+3540 reactivating after 100 million years of dormancy, likened to a cosmic volcanic eruption.
  • The discovery, made using India's upgraded Giant Metrewave Radio Telescope (uGMRT) and LOFAR, reveals powerful new plasma jets blasting from the galaxy's core.
  • Detailed radio imaging showed bright new emissions and old, faded plasma from earlier active phases, suggesting cycles of activity and dormancy in black holes.
  • The black hole's environment within a dense galaxy cluster influences the plasma jets, with hot gases bending and compressing them, showcasing violent cosmic evolution.
  • This reactivation challenges simple models of galactic evolution and provides insights into how black holes regulate galaxies, with further observations planned.

Why It Matters: Indian scientists observed a supermassive black hole's dramatic 'new birth' after 100 million years of silence.

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