Japanese and American researchers have announced that they have discovered for the first time in a universe about 10 billion light-years away from the Earth that the star-making movement is dying, and that many stars in the galaxy have a supernova explosion, making the gas used as a star-making material Released to the outside of the galaxy, this is why the star-making movement stops.
The results of researchers at the Ehime University Center for Cosmic Evolution Research and the California Institute of Technology will help to explore the evolution of the star system.
The scientific community generally believes that the universe was born about 13.8 billion years ago. When the age of the universe is about 2 billion to 3 billion years old, stars are explosively generated in the galaxy. Since then, the vigorous star-making movement has stopped and has evolved peacefully. However, scientists have not been able to understand the reasons for the stop of the star-making movement.
This time, the researchers used the comet telescope on the Hawaiian island of the United States to observe the space of about 6 billion light-years from the Earth in the direction of the sextant, and found six galaxies whose stars were stopping.
The galaxies that scientists have observed so far are almost all galaxies that are generating stars and galaxies that have stopped hundreds of millions of years, and the six galaxies discovered this time are in transition. Because of the new nature of this galaxy, the research team named it the MAESTLO galaxy.
The gas in space is the raw material for the formation of stars. The researchers found that there were very few gases in the newly discovered galaxies. By analyzing the light emitted by these galaxies, they found that many stars in these galaxies had supernova explosions that allowed the gas to be released outside the galaxies. They believe that this so-called "super wind" phenomenon is the reason for the stop of the star-making movement.
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