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Astronomers have studied the history of the extragalactic background radiation of the universe. This helped to discover that the universe had long gone through the peak of the birth of new stars.
This writes naked science.
The light of the stars and galaxies that existed before fills the universe with a low but noticeable extragalactic background. radiation. The first light appeared a few hundred million years after the Big Bang.
Read also: Scientists have discovered a new "hot Jupiter"
Thus, astronomers have estimated the flow of extragalactic background radiation.
The study showed that the peak of "stellar" activity of the universe was more important about 10 billion years ago. The most intense star formation occurred about four billion years ago. Since then, the intensity of the formation of new stars has been reduced.
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