Someone built a map of the stars from Project Hail Mary, and it’s shockingly good
A developer has created an interactive star map based on the book Project Hail Mary, utilizing real astronomical data. The map incorporates data from ESA’s GAIA DR3 dataset, which includes information on over 1.8 billion stars. This project, shared on Hacker News, aims to provide an accurate representation of our local star system.
- ▪The interactive star map is inspired by the book Project Hail Mary and uses real astronomical data.
- ▪It was developed using ESA’s GAIA DR3 dataset, which maps over 1.8 billion stars.
- ▪The developer created a Python script to render the stars into custom images for the map.
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| Original publisher | Digital Trends |
| Canonical URL | https://www.digitaltrends.com/computing/someone-built-a-map-of-the-stars-from-project-hail-mary-and-its-shockingly-good/ |
| Publication time | Fri, 22 May 2026 11:07:29 +0000 |
| Retrieval time | 2026-05-22T11:12:01.334Z |
| Last seen | 2026-05-22T11:12:01.334Z |
| 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 | X9cwFAGoUJhH |
| 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
A developer has built an interactive star map inspired by the one featured in the book Project Hail Mary, and it uses real astronomical data to back it up. The book was recently developed into a movie of the same name, and it’s one of the best sci-fi movies of the year. The project was shared on Hacker News, where Val, who developed this project, explained that the map was built using ESA’s GAIA DR3 dataset, a star survey that mapped over 1.8 billion stars in our neighborhood of the Milky Way. The data includes star positions, colors, spectra, proper motion, and more, making this far more than a stylistic fan project. How accurate is it? I don’t know much about astrophysics, but by all accounts, the model seems to be pretty accurate.
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Excerpt limited to ~120 words for fair-use compliance. The full article is at Digital Trends.
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