Webb reveals black hole that formed before its galaxy
Researchers using the James Webb Space Telescope have discovered a black hole that formed before its host galaxy, located over 13 billion light-years away. This black hole, estimated to be 50 million solar masses, may have formed within the first second of the Big Bang, challenging previous theories about black hole formation. The findings suggest that some supermassive black holes were massive from the start, without needing a stellar collapse phase.
- ▪The black hole is located in the galaxy Abell2744-QSO1, which existed just 700 million years after the Big Bang.
- ▪The research indicates that some black holes can form without a significantly more massive host galaxy to feed them.
- ▪The black hole's mass is estimated at 50 million solar masses, making up two-thirds of the total mass of QSO1.
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| Original publisher | Esa |
| Canonical URL | https://www.esa.int/Science_Exploration/Space_Science/Webb/Webb_reveals_black_hole_that_formed_before_its_galaxy |
| Publication time | Wed, 27 May 2026 17:00:00 +0200 |
| Retrieval time | 2026-05-27T15:03:01.294Z |
| Last seen | 2026-05-27T15:03:01.294Z |
| Headline source | Publisher (no WeSearch rewrite) |
| Excerpt source | publisher body |
| Excerpt method | First ~120 words (~800 chars) of extracted publisher body, fair-use limited. |
| Summary | WeSearch · cerebras-chat (WeSearch summarizer) |
| Summary source text | contentText |
| Citation coverage | Summary is a WeSearch-generated derivative; primary citation is the original publisher URL. |
| Cluster | --rYJsFzNdOO · 2 stories |
| Cluster logic | Grouped by semantic title/content similarity across sources within a rolling window. Same-publisher template collisions are excluded from coverage comparison. |
| Ranking reason | Story pages are not engagement-ranked. Hub feeds use recency, with optional source-diversified chronological ordering (cap consecutive stories per source). No personalized ranking. |
| Publisher visit | Yes — open original |
| Substitutes article? | No — link-out required for full text |
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| Indexing | May the item be indexed (stored, ranked, made findable)? | Allowed |
| Snippet | May a short excerpt of the publisher's text be shown? | Allowed |
| AI summary | May WeSearch generate its own short summary of the article? | Limited |
| Retrieval / RAG | May the content be exposed for third-party retrieval-augmented generation? | Not asserted |
| Model training | May the content be used to train AI models? | Not asserted |
| Commercial reuse | May the content be reused commercially? | Not permitted |
Basis: Derived from the published RSS/Atom feed. Contact: [email protected]. Reviewed: 2026-07-24.
Opening excerpt (first ~120 words) tap to expand
Science & Exploration Webb reveals black hole that formed before its galaxy 27/05/2026 4 views 0 likes ESA / Science & Exploration / Space Science / Webb Using the unprecedented imaging and spectroscopic power of the NASA/ESA/CSA James Webb Space Telescope, researchers have mapped the motion and composition of gas orbiting a black hole in the centre of Abell2744-QSO1, a tiny galaxy more than 13 billion light-years away. The results suggest that the 50-million-solar-mass black hole predates its host galaxy, possibly forming within the first second of the Big Bang, and must have been immense from the start.
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Excerpt limited to ~120 words for fair-use compliance. The full article is at Esa.
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