Size comparison between the largest black hole ever discovered (Phoenix A*) and some members of our solar system.

The models, as suggested by the paper, indicate a central black hole with a mass estimated to be on the order of 100 billion M, perhaps even exceeding this mass. So, doing some math, Phoenix A*:
24 100 times the mass of the black hole at the center of the Milky Way (Sagittarius A*).
Twice the mass of the Triangle galaxy, including its dark matter halo.
A huge event horizon with a Schwarzschild diameter of almost 590 billion kilometers (≈ 3,900 AU, 100 times the distance from the Sun to Pluto!).
A circumference that would take 71 days and 14 hours to travel at the speed of light.

Such a high mass could place it in a proposed category of incredibly large black holes, black holes that may have been seeded by primordial black holes with masses of up to 100 billion M or more, greater than the upper maximum limit for at minus the luminous accretion. black holes hosted by disk galaxies around 50 billion M. For example, the previous leader, TON 618, is only 66 billion M (389.3 billion km in diameter)

Music in the video: Kerosene

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