"James Webb Telescope Discovers Ancient 'Dead' Galaxy, Challenging Cosmological Understanding"

TL;DR Summary
Astronomers have discovered a galaxy, JADES-GS-z7-01-QU, that was already dead when the universe was only 700 million years old, raising questions about why it stopped forming stars so quickly. The galaxy experienced a brief but intense period of star formation before abruptly ceasing, possibly due to running out of gas or the influence of a supermassive black hole. This discovery challenges existing models of the early universe and suggests the need for further observations using the James Webb Space Telescope to understand the phenomenon of galaxies ceasing star formation and potentially reigniting in later cosmic epochs.
- Mysterious Galaxy Was Already Dead When The Universe Was Young ScienceAlert
- Oldest ‘dead’ galaxy spied by Webb may cause astronomers to revise their understanding of the early universe CNN
- Astronomers spot oldest 'dead' galaxy yet observed University of Cambridge news
- Astronomers find galactic corpse from early in the universe's history Astronomy Magazine
- James Webb telescope detects oldest 'dead' galaxy in the known universe — and its death could challenge cosmology Livescience.com
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