Amazing! When the black hole ate the star, scientists caught a flash of “scream”

When astronomers are observing celestial bodies recently, a very interesting phenomenon has occurred. 250 million light-years away from the Milky way, there is an unknown galaxy. At the center of the galaxy, a dazzling light is gradually swallowed up.

The star is swallowed up by the black hole with only one last scream

This phenomenon is not the so-called physical phenomenon of light refraction, light scattering and so on. In fact, it is a star close to an overweight black hole, and finally swallowed by the black hole. After a moment of struggling, the light emitted by the star gradually disappears in the deepest silence of the universe.

Especially in the moment of being engulfed, as the star is torn into various pieces and scattered all over the ground, the remaining light is attenuated into a long and thin new line, and finally everything is silent and returns to darkness, and everything is engulfed into the black hole.

“Crime scene” revealed, astronomers looking for clues

In fact, this star was discovered very early, dating back to 2019 at the earliest. At that time, some astronomers would predict that this star would eventually be engulfed, so they named this phenomenon as star engulfment event, code named at2019qiz

Scientists then use telescopes to observe the whole process. Under the action of gravity, the stars are gradually attracted to the side of the black hole, until the stars are stretched, then torn, and finally eaten by the black hole. In astronomy, the whole process is also called tidal destruction event.

According to the description of NASA, the black hole that human beings can actually observe is now emitting a powerful material flow at the speed of 10000 Li / s. This material flow carries dust and debris, which provides a unique landscape for human observation. At the same time, it can accurately block the source of material. Therefore, human beings only need to track it to track what is in the black hole It’s covered.

According to the head of the journal, the monthly journal of the Royal Astronomical Society, this will help astronomers have a strong understanding of celestial bodies and black holes, especially when fragments of stars are pulled into black holes, including the explosion of materials left behind by stars. However, the results often do not follow people’s wishes. Many debris and dust clouds left by the star explosion at the scene of such a crime are often blocked by flares, so it is difficult for human beings to observe them accurately.

But at this time, the astronomers of Birmingham University claimed that their team was very lucky. After all, they observed almost all the complete processes, from the beginning of the formation to the final tidal disappearance events, which lasted for several months. At the same time, they drew some astronomical maps about it, including different wavelengths of light and the decline of stars, etc Ultraviolet, radio and X-rays were also tested.

And then he announced a good news, it turned out that in this event, all the ranges were basically within the spectrum, which means that the technology now mastered by human beings can further observe and measure this black hole phagocytosis event.

Landmark “case”

Astronomers are excited to say that the mass of the “victim” is equal to that of our sun, and at least half of the mass of this “crime” is directly sucked away by the black hole, while the mass of this “killer” is more than one million times that of the sun.

People have put forward hypotheses in this aspect for a long time. For example, in early 2020, a research group proved that some damaged stars will be swallowed by black holes due to gravity, and the way these materials enter the black holes is like water flowing into a sewer. Then this time, the theory of black hole phagocytosis has been really confirmed.

And behind this, there may be more data and experiments around the black hole phagocytizing stars, which is very helpful for people to solve the mystery of supermassive black holes and phagocytizing stars.

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