JWST Finds a Galaxy Cluster That Shouldn’t Be This Mature So Early in the Universe
JWST found the cluster’s gravity bends light from even farther galaxies, letting astronomers measure a tightly packed mass and test cosmological models.
2 Articles
2 Articles
JWST Finds a Galaxy Cluster That Shouldn’t Be This Mature So Early in the Universe
New observations from NASA’s James Webb Space Telescope deepen the mystery of a young but unexpectedly mature galaxy cluster in the early universe that challenges leading ideas about cosmic evolution. A remarkably dense and massive galaxy cluster from a period when such structures were not expected to be so fully developed is putting pressure on [...]
Whoa! The JWST's Ancient Galaxies Are Much More Massive Than Thought
When the JWST peered into the ancient Universe, it found surprisingly massive galaxies. These galaxies were so massive they challenged our understanding of how quickly galaxies can assemble. But new research says that multitudes of low-mass stars are hiding in these galaxies, and they're actually even more massive than we thought. When will it end?
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