Researchers at the University of Minnesota (United States) single small galaxy It formed about 500 million years after the Big Bang and has an impressive rate of new star formation. Made with Discovery James Webb TelescopeReleased in 2021.
Scientists say galaxy is dated 13.3 billion yearshas a diameter of about 100 light-years – about 1000 times smaller Milky Way – but it forms new stars at a rate very similar to that of our current galaxy.
The paper, published in the journal Science, marks the researchers as one of the first teams to probe a distant galaxy. James Webb Space Telescope.
“This galaxy is beyond the reach of all telescopes except James Webb, and these first observations of the distant galaxy are spectacular,” said Patrick Kelly, senior author of the paper and an assistant professor in the University of Minnesota School of Physics. astronomy…
Researchers studied and discovered the chemical composition of the galaxy. presence of much lower oxygen than is normally found in present-day galaxies. Oxygen and other elements heavier than hydrogen and helium are processed in thermonuclear power plants inside stars and released into space when stars explode at the end of their life cycles.
Observation of this galaxy has been made possible thanks to a phenomenon called “.gravity lens‘ occurs when a very large amount of matter, such as a group of galaxies, creates a gravitational field that distorts and amplifies the light that is traversed from distant galaxies behind them but in the same line of sight.
Source: Tec Mundo
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