Speedy Summary
- An ultramassive black hole, teh most massive ever directly measured, has been discovered in a galaxy 5 billion light-years away.
- It is located in the Cosmic Horseshoe galaxy and has a mass equivalent to 36 billion suns-more than 10,000 times the mass of the Milky Way’s central black hole.
- the Cosmic Horseshoe acts as a galactic lens due to its immense gravity, magnifying light behind it.
- Researchers determined its mass by measuring star velocities around it and analyzing gravitational lensing effects.
- This discovery aligns wiht other models studying how dark matter is distributed within this galaxy type.
- The black hole is believed to have formed through sustained accretion over time but is now dormant, raising questions about what caused this sudden inactivity.
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