Webb telescope discovers galaxy “killed” by a mysterious force: scientists find out what

In this galaxy, the process of forming new stars abruptly stopped after millions of years of continuous creation.

The Webb Space Telescope has found the oldest known extinct galaxy. In it, the process of emergence of new stars mysteriously abruptly stopped, although it continued for millions of years. Astronomers believe that the culprit of what happened is a supermassive black hole, writes Live Science.

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A team of scientists analyzed new observational data from the Webb Space Telescope and concluded that the observatory had discovered the oldest known extinct galaxy. In other words, the process of creating stars in this galaxy has stopped. Moreover, this happened suddenly after millions of years of star formation.

According to Adam Carnall of the Royal Observatory in Edinburgh, Scotland, most of the stars in the GS-9209 galaxy were formed between 600 and 800 million years since the beginning of the universe. But then, about 12.5 billion years ago, this process abruptly stopped.

“For a long time it was thought very difficult to find such an extinct galaxy in the early Universe, but the Webb telescope succeeded. What amazes us most is how quickly after the Big Bang, a few hundred million years after the Big Bang.” “The star formation process in this galaxy has stalled,” says Carnall.

As the study shows, in just 200 million years, a large number of very hot stars appeared in the ancient galaxy and managed to gain a mass of 40 billion solar masses, which corresponds to approximately the modern mass of our galaxy. And then the process suddenly stopped.

Scientists believe that such a large number of stars arose in a very short time by cosmic standards as a result of the rapid compression of a gigantic gas cloud. Also, very different conditions in the early Universe helped the rapid formation process of the galaxy and its stars. Because of this, stars appeared much faster than we now see in modern space.

As astronomers believe, the culprit for the sudden cessation of the rapid emergence of new stars in the galaxy GS-9209 is the supermassive black hole at the center of this galaxy. According to scientists, such black holes appear after giant stars die. They gain their mass and size due to the absorption of gas, dust, stars, and even other black holes around them.

Astronomers suggest that the black hole in the galaxy GS-9209 was able to absorb so much matter over time that it became a quasar, emitting a trillion times more radiation than the brightest stars. This high-energy radiation can heat the surrounding gas in the galactic environment, stopping it from shrinking and turning into new stars. Also, this radiation can often clear the galaxy of gas necessary for the formation of stars. Most likely, it was this force of the black hole that led to the abrupt cessation of star formation and the “extinction” of the galaxy, as scientists believe.

Focus He had already written that astronomers had discovered a lone, large galaxy whose neighbors had vanished. Although all evidence suggests that this galaxy must be part of a large cluster. Scientists have suggested a possible reason for this development of events.

Moreover Focus He wrote that a new image from the Webb telescope shows previously unknown features of a giant galaxy cluster.

Source: Focus

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