Astronomers find oldest known quasars that defy current theories - The News International
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The Euclid telescope has spotted the oldest quasars ever found — and they defy the theories astronomers built to explain how such objects form.
Big Bang CosmologyBlack Hole Formation TheoryLambda-CDM ModelStellar Evolution Theory
Theory Briefing
- The Euclid space telescope detected these record-breaking quasars, pushing the boundary of what current cosmological models say is possible.
- Quasars are among the brightest objects in the universe, powered by supermassive black holes — finding the oldest ones challenges how fast those black holes can grow.
- Existing theory struggles to explain how black holes reached the mass needed to power quasars so early in cosmic history.
- The discovery opens a direct conflict between observation and the standard model of early universe structure formation.