A black hole in the center of the galaxy M87 “fluctuates”

This is a very interesting discovery, because until now it was thought that black holes tend to be stable.

The finding concerns a black hole in the center of the galaxy M87 55 million light-years away, first photographed in 2019. This collapser weighs 6.5 billion times the mass of our sun and is surrounded by an accretion disk, which is basically only very hot plasma. From the center of this collapser emerges a stream of particles 8,000 light-years long, believed to be “unused” material and ejected at poles outward from the galaxy.

It was the observers from the Event Horizon Telescope (EHT) who made another discovery, where a rotating accretion disk causes a “glitter” of a black hole, where interstellar gas and dust falling into an accretion disk formed by plasma causes jets of light. This phenomenon is also due to the strong gravity of the hole, and as the disks rotate, it appears to us as glitter. Overall, the new observations showed the expected results: For example, the diameter of the black hole shadow remained consistent with Einstein’s general relativity theory for a black hole with a mass of 6.5 billion solar masses.

Resources: InterestingEngineering, Phys, ScienceAlert,


Source: Technológie by pc.zoznam.sk.

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