James Webb Space Telescope captured the first phase of star formation in distant galaxies
(ORDO NEWS) — With the first images of galaxy clusters taken by the James Webb Space Telescope, researchers at Stockholm University have studied the first phase of star formation in distant galaxies.
“The clusters of galaxies we have studied are so massive that they bend light rays passing through their center, just as Einstein predicted in 1915.
And this, in turn, creates a kind of magnifying glass effect: images of background galaxies are magnified, ”explains Adelaide Claissens, one of the lead authors of the study.
The magnifying glass effect, combined with the resolution of the James Webb Space Telescope, allowed researchers to detect stellar clumps, very compact structures of galaxies.
These observations have helped scientists explore the relationship between stellar clump formation and evolution, as well as the growth of galaxies millions of years after the Big Bang, in a way that was not previously possible.
The oldest galaxy studied in the article is so far away that we can see what it looked like 13 billion years ago, when the universe was only 680 million years old.
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