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単語数: 178語

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作成日: 2023/12/25 06:30

更新日: 2025/12/08 19:49

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Researchers in Japan say they have identified two bright galaxies 13.4 billion light-years from Earth. The group&#039;s findings may indicate the existence of some mechanism that actively triggered the birth of stars in the early universe.
                
The team led by Assistant Professor Harikane Yuichi of the University of Tokyo measured the distance to the galaxies, using data from infrared detectors on board the James Webb Space Telescope.
                
The researchers also say the brightness of the galaxies suggests the rate of star formation is over four times higher than currently predicted, indicating an active star formation in the early universe.
                
The high-performance space telescope began full operations in 2022.
                
The researchers say their discovery means the telescope has now led to the confirmation of five galaxies in the early universe, dating back to about 300 to 400 million years after the Big Bang.
                
Harikane said the team&#039;s study suggests the possibility that the process of galaxy formation might be different from previously believed theories.
                
He added that the James Webb telescope is breaking new ground and revolutionizing astronomical research.

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