Legal notice
Last updated: October 25, 2026
This legal notice governs the use of projecthailmary.net and provides the information required by Spain's Information Society Services Act (Law 34/2002, LSSI).
Site owner
- Owner: Daniel Ruiz
- Country: Spain
- Contact email: vanraidex@gmail.com
- Website: https://projecthailmary.net
Purpose
projecthailmary.net is a free educational site, with no sign-up, that explains the science in the novel Project Hail Mary through articles and interactive simulators. By browsing it you accept this legal notice.
Unaffiliated fan project
This site is an independent fan project. It is not affiliated with, sponsored or endorsed by Andy Weir; his publishers, including Ballantine Books and Ediciones Nova (Penguin Random House); or Amazon MGM Studios or any other company involved in the film adaptation.
Project Hail Mary, Proyecto Hail Mary and the names of its characters and elements belong to their respective owners. They are mentioned only to identify the work being discussed, for the purposes of criticism, commentary and education.
Intellectual property
The articles, calculations, simulators and design of this site are original work by its owner. You're welcome to quote or link to them with attribution. For any other use, such as copying whole pages or reusing the simulator code, please ask by email.
This site does not reproduce passages from the novel. If you hold any rights and believe some content infringes them, email the contact address and it will be reviewed or removed promptly.
Affiliate links and advertising
Some links to buy the book are Amazon affiliate links: if you buy through them, the owner earns a small commission at no extra cost to you. As an Amazon Associate, the site earns from qualifying purchases.
Liability
The content is educational. It is carefully reviewed but may contain errors or simplifications, and the simulators are approximate models, not tools for engineering calculations or professional decisions. The owner accepts no liability for damages arising from the use of the information published here.
The owner aims to keep the site available and free of technical errors but cannot guarantee this at all times.
External links
The site links to third-party websites (scientific sources, shops, providers). The owner doesn't control those sites and isn't responsible for their content or privacy practices.
Data protection
Governing law
This legal notice is governed by Spanish law. Any dispute will be heard by the competent courts under the applicable rules; if you are a consumer, those of your place of residence.