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Astronomers have discovered a supermassive black hole that escaped from its galaxy, dragging a string of stars with it at a speed of 5.6 million km / h

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Astronomers have discovered a supermassive black hole that escaped from its galaxy, dragging a string of stars with it at a speed of 5.6 million km / h

A supermassive black hole has left its own galaxy, taking a few stars with it. Astronomers say this is the first observational evidence that supermassive black holes can travel between galaxies.

What is known

Scientists discovered the object using Hubble while observing the dwarf galaxy RCP 28. It is 7.5 billion light-years away. The space telescope saw the black hole as a bright streak of light.

Its length was over 200,000 light years. This is about twice the width of the Milky Way. Scientists hypothesize that the band of light is made up of compressed gas in which new stars form. The mass of a black hole is 20 times the mass of the Sun. It moves at a speed of Mach 4500 (5.6 million km / h) away from its home galaxy.

According to scientists, active supermassive black holes eject jets of matter at high speeds. They are visible to us as streaks of light and are called astrophysical jets. However, the jets weaken as they move away from the source, while the black hole’s tail, detected by the Hubble telescope, only gets stronger. In addition, the trail remains linear, although the jets usually fan out.

Scientists claim that if their assumptions are confirmed, they will receive the first clear evidence that supermassive black holes can leave galaxies. The reason may be the gravitational interaction of three bodies with the same mass, as a result of which a binary is formed, and the third body is ejected.

Source: space





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