
‘Very messy eaters’: scientists solve the mystery of when black holes ‘burp’
An illustration of a tidal disruption event, when a supermassive black hole tears apart a nearby star with its gravitational pull. Illustration: Science Communication LabView image in fullscreenAn illustration of a tidal disruption event, when a supermassive black hole tears apart a nearby star with its gravitational pull. “You can think of it as a black hole burp.”But the timing of these burps had previously been mysterious to astrophysicists.
- ▪An illustration of a tidal disruption event, when a supermassive black hole tears apart a nearby star with its gravitational pull.
- ▪Illustration: Science Communication LabView image in fullscreenAn illustration of a tidal disruption event, when a supermassive black hole tears apart a nearby star with its gravitational pull.
- ▪“You can think of it as a black hole burp.”But the timing of these burps had previously been mysterious to astrophysicists.
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| Original publisher | The Guardian — Science |
| Canonical URL | https://www.theguardian.com/science/2026/sep/17/black-hole-burps-scientists-solve-mystery-astronomy |
| Publication time | Thu, 17 Sep 2026 09:00:44 GMT |
| Retrieval time | 2026-09-17T09:23:43.144Z |
| Last seen | 2026-09-17T09:23:43.144Z |
| 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 | VuQYJhH4oWq1 · 1 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
An illustration of a tidal disruption event, when a supermassive black hole tears apart a nearby star with its gravitational pull. Illustration: Science Communication LabView image in fullscreenAn illustration of a tidal disruption event, when a supermassive black hole tears apart a nearby star with its gravitational pull. Illustration: Science Communication LabSpace‘Very messy eaters’: scientists solve the mystery of when black holes ‘burp’The astronomical bodies fire off powerful jets in two distinct phases in their feeding cycle, researchers discoverDonna Lu Thu 17 Sep 2026 05.00 EDTLast modified on Thu 17 Sep 2026 05.02 EDTSharePrefer the Guardian on GoogleScientists have solved the mystery of when black holes “burp” – when the astronomical bodies launch jets after feeding on stars,…
Excerpt limited to ~120 words for fair-use compliance. The full article is at The Guardian — Science.