How Fast Is the Universe Really Expanding?
Home How Fast Is the Universe Really Expanding? Comment Save Article Read Later Share Facebook Copied! Copy link Email Pocket Reddit Ycombinator Comment Comments Save Article Read Later Read Later The Joy of Why How Fast Is the Universe Really Expanding?
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Quanta Magazine files mainly under science. We currently carry 16 of its stories.
Story provenance
Source · retrieval · rights · ranking — open for full record
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Story provenance
Attribution is not the same as permission. This drawer separates discovery metadata, excerpts, WeSearch-generated summaries, reuse status, and whether the publisher receives the visit. Nothing here claims a legal grant the publisher has not made.
Record
| Original publisher | Quanta Magazine |
| Canonical URL | https://www.quantamagazine.org/how-fast-is-the-universe-really-expanding-20260723/ |
| Publication time | Thu, 23 Jul 2026 14:53:45 +0000 |
| Retrieval time | 2026-07-23T14:56:52.246Z |
| Last seen | 2026-07-23T14:56:52.246Z |
| 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 | yOz-wS9LzDIW |
| 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 |
Rights status (four layers)
WeSearch handling by dimension
| 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
Home How Fast Is the Universe Really Expanding? Comment Save Article Read Later Share Facebook Copied! Copy link Email Pocket Reddit Ycombinator Comment Comments Save Article Read Later Read Later The Joy of Why How Fast Is the Universe Really Expanding? By Steven Strogatz and Janna Levin July 23, 2026 One of the most contested issues in cosmology is our understanding of the Universe’s expansion. Adam Riess discusses why there is disagreement and what might resolve it. Comment Save Article Read Later Chanelle Nibbelink for Quanta Magazine Introduction Authors Steven Strogatz Podcast Host Janna Levin Contributing Columnist July 23, 2026 View PDF/Print Mode astronomy astrophysics cosmology dark energy dark matter fundamental physics Hubble constant physics The Joy of Why All topics One of…
Excerpt limited to ~120 words for fair-use compliance. The full article is at Quanta Magazine.
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