# Project Hail Mary Stellar Navigation Chart

16 Hacker News commenters recommended Project Hail Mary Stellar Navigation Chart and 3 criticized it, November 2025 to November 2026. It was recommended in 1 of 13 months.

**Verdict:** An interactive 3D star map from Project Hail Mary, praised as beautiful, fun to explore and based on real star data. Critics say the planets are not drawn to scale and the site feels unfinished.

## Why people recommend it

- Based on real-world astronomical data (2 comments): "This is an incredible simulation based on real-world data." ([source](https://news.ycombinator.com/item?id=48243744)) "being able to actually go to the Pleiades or to various nebulae also caused me to better understand" ([source](https://news.ycombinator.com/item?id=48234807))
- Beautiful, impressive visualization (3 comments): "This is so beautiful, this thread doesn't have enough praise!" ([source](https://news.ycombinator.com/item?id=48227107)) "This is awesome!! ... You completely nailed it!!" ([source](https://news.ycombinator.com/item?id=48231402)) "What a fantastic visualization." ([source](https://news.ycombinator.com/item?id=48244855))
- Fast, intuitive, bug-free controls (2 comments): "it renders really fast even on a relatively old mobile phone" ([source](https://news.ycombinator.com/item?id=48231473)) "Controls are intuitive and no bugs or glitches." ([source](https://news.ycombinator.com/item?id=48231508))
- Fun and cool to explore (2 comments): "really cool, can we hot-plug in our own map?" ([source](https://news.ycombinator.com/item?id=48233394)) "This is super cool and exciting." ([source](https://news.ycombinator.com/item?id=48229824))

## What people warn about

- Planets not drawn to scale (2 comments): "Mercury is orbiting partially inside the Sun, and Jupiter is nearly as wide as the Sun" ([source](https://news.ycombinator.com/item?id=48226478)) "It can't do that if it's not to scale!" ([source](https://news.ycombinator.com/item?id=48231155))
- Grid needs more transparency (1 comments): "The grid is cool but I think it needs to be more transparent." ([source](https://news.ycombinator.com/item?id=48227818))
- Feels unfinished, missing skybox and details (1 comments): "Looks nice, but is it finished? I don't see a skybox or any of the more detailed information mentioned in the "about" dialog" ([source](https://news.ycombinator.com/item?id=48227915))

## Alternatives hackers recommend

- [isometric.nyc](https://hackerapproved.com/p/isometric-nyc.md): 52 recommend
- [Map of Metal](https://hackerapproved.com/p/map-of-metal.md): 34 recommend
- [CheapFoodMap](https://hackerapproved.com/p/cheapfoodmap.md): 29 recommend
- [Isopolis](https://hackerapproved.com/p/isopolis.md): 27 recommend
- [Shipmap.org](https://hackerapproved.com/p/shipmap-org.md): 23 recommend

## Cite as

Hacker Approved, "Project Hail Mary Stellar Navigation Chart", https://hackerapproved.com/p/project-hail-mary-stellar-navigation-chart/ (counts from 1,795,640 Hacker News comments, November 2025 to November 2026).