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