Terms & Conditions

Plain-language rules for using Cosmic Scale AI. By using the site, you agree to these terms.

Last updated: 18 October 2026

1. The service

Cosmic Scale AI (cosmicscaleai.com) provides free, interactive educational tools about astronomy, physics and the scale of the universe. The service is offered "as is" and may change, pause, or be discontinued at any time without notice.

2. Educational purpose

Everything on this site — sizes, distances, temperatures, gravity values, comparisons and animations — is simplified for learning. Values are rounded, analogies are stylised, and animations are illustrative rather than scientifically exact simulations. The site is not a substitute for professional advice, academic courses, or official scientific data. For research-grade data, consult published sources and agencies such as NASA or ESA.

3. No warranty

We make no guarantees about the accuracy, completeness, or reliability of the content. To the fullest extent permitted by law, we disclaim all warranties, express or implied, including fitness for a particular purpose and non-infringement.

4. Limitation of liability

By using Cosmic Scale AI you agree that we are not liable for any direct, indirect, incidental, or consequential damages arising from your use of — or inability to use — the site or its content. Your use of the site is at your own risk.

5. Intellectual property

The site's design, code, text and original animations are owned by Cosmic Scale AI and may not be redistributed commercially without permission. NASA imagery and public-domain data used in tools such as Birthday in Space remain under NASA's media usage guidelines and are credited accordingly. Named trademarks (NASA, planet names, etc.) belong to their respective owners and imply no affiliation or endorsement.

6. Acceptable use

7. External links

The site may link to external websites (for example NASA). We are not responsible for the content, policies, or practices of any third-party sites.

8. Changes

These terms may be updated occasionally. The latest version will always be on this page with a revised date at the top. Continuing to use the site after changes means you accept the new terms.

9. Contact

Questions about these terms? Reach us through the contact page.