An international research team, including scientists from the Lebedev Institute of Physics and the Moscow Institute of Physics and Technology, examined data from radio interferometric observations of the M87 galaxy in 2022 and found that the jet emerging from the black hole at its center periodically changes direction. This indicates that the central black hole is rotating. The data was published in Nature.
The M87 galaxy attracts the attention of astrophysicists with its supermassive black hole at its center, which is an active source of radiation in various bands of the electromagnetic spectrum. A jet of plasma ejected from the hole, called a jet, has been observed outside the galaxy and has long attracted the attention of scientists.
Scientists noted that there were changes in the direction of the jet that could be caused by black hole activity, injected material or plasma instabilities. Researchers analyzed 170 images taken from 2000 to 2022 and found systematic changes in the direction of the jet. These observations help us understand how a supermassive black hole works and how it affects the space around it.
Source: Ferra
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