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James Webb telescope detects oldest 'dead' galaxy in the known universe — and its death could challenge cosmology
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James Webb telescope detects oldest 'dead' galaxy in the known universe — and its death could challenge cosmology

Astronomers using the James Webb Space Telescope have detected the oldest "dead" galaxy ever observed‚ at just 700 million years after the Big Bang. The stalled-out relic defies explanation by our current knowledge of the early cosmos.
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