JWST Finds Early Galaxies May Be 4 Times More Massive than Thought
4 Articles
4 Articles
JWST finds early galaxies may be 4 times more massive than thought
Astronomers using JWST have discovered that massive early galaxies contain far more small, faint stars than expected. That hidden population could make some of these galaxies three to four times more massive than previous estimates. The finding makes it even harder to explain how enormous, mature galaxies formed so soon after the Big Bang. It could also suggest that planets around low-mass stars were more common in the early universe than scient…
In recent years, the already massive and advanced young galaxies, which have been found in old strata of light by the James Webb telescope, have made astrophysicists perplexed. Do we need to modify the standard model in cosmology or better understand it? A recent result suggests that...
Astronomers using the Webb telescope have discovered that massive primordial galaxies contain far more lightless stars than expected. This hidden population could make some of these galaxies three to four times more massive than previous estimates. This discovery further complicates the explanation of the formation of galaxies so massive and mature so shortly after the Big Bang. They publish their study in Nature Astronomy.
The James Webb space telescope has revealed a population of small stars hidden in the first galaxies of the universe. The find multiplies by four the mass that astronomers attributed to these primitive structures and forces to review the models of galactic formation. The detection, published in Nature Astronomy, the firm of an international team led by the University of Leiden, in the Netherlands. They combined observations from the James Webb s…
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