The first photographed black hole in history is changing: what astronomers have found out

27 January 2025, 19:11 | Technologies
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In 2019, astronomers from the Event Horizon Telescope (EHT) project for the first time in history showed a picture of the M87*super -massive black hole, which is located in the center of the M87 galaxy. This picture was based on data obtained in 2017. Now scientists from the EHT project have analyzed data collected in 2018 and made new discoveries. The study is published in the journal Astronomy \u0026 Astrophysics, writes ScitechDaily.

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Scientists have combined observations of the Black hole M87* and received new information about the structure and movement of plasma near the horizon of events of the black hole. New data provides the most detailed understanding yet of how matter rotates around supermassive black holes in an accretion disk..

When a black hole attracts matter to itself, the latter begins to circle around the black hole in the form of an accretion disk, and then spirals into the black hole. How the accretion disk rotates a lot to scientists about the black hole. For example, about what mass it has, as well as what its orientation in space is. It also makes it possible to understand how the plasma behaves near the horizon of the events of the black hole, that is, the invisible border, beyond which nothing goes back into space, even light.

The study found that the brightest part of the accretion disk shifted and rotated 30 degrees in a year due to turbulence in the disk.. Scientists also confirmed that the axis of rotation of the super -massive black hole M87* is tilted away from the ground. Astronomers found that the outer ring of plasma rotates in the opposite direction, which rotates the black hole itself.

The latest discovery confirms existing models of how matter orbits supermassive black holes, astronomers say.. This study also showed how a black hole changes over a short period of time..

New data analysis also helped scientists confirm that the supermassive black hole M87* has a mass that is about 6.5 billion times the mass of the Sun..

Scientists intend to continue analyzing the data obtained in order to create a “movie” based on the existing images, which should show what is actually happening around the black hole M87*.



This study deepens the understanding of how the universe developed. Supermissive black holes are in the center of each large galaxy and the study of their secrets will help to understand how the galaxies are formed and dying.

As Focus already wrote, astronomers for the first time observed how a giant jet of matter is formed and flies into space from a black hole.

Focus also wrote that a recent study showed that a long stay in space negatively affects the eyes and vision of astronauts.

Based on materials: scitechdaily.com



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