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Dormant Black Hole Reactivation
April 20 , 2026
15 hrs 0 min
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- Scientists observed a supermassive black hole becoming active after nearly 100 million years of dormancy.
- A supermassive black hole at the centre of a galaxy has reactivated after a long dormant phase.
- It started consuming nearby gas, dust, and stellar material, releasing intense radiation and energy.
- This sudden activity is compared to a “cosmic eruption” due to powerful high-energy jets.
- Active phases of black holes are called Active Galactic Nuclei (AGN) in astronomy.
- Supermassive black holes are found at the centre of most galaxies, including the Milky Way.
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