# Content License — Creative Commons Attribution 4.0 International (CC BY 4.0)

**Copyright © 2026 Mick Darling.**

The **written content and figures** in this repository — everything under
`notes/`, the prose in `README.md`, and the diagrams in `figures/` (and the
rendered `index.html` / `figures/index.html`) — are licensed under the
**Creative Commons Attribution 4.0 International License (CC BY 4.0)**.

> The **source code** (the `.py` files, `orbital_lifeboats/`, `generate_figures.py`,
> `build_site.py`, `figures/render_png.sh`) is licensed separately under the
> **MIT License** — see [`LICENSE`](LICENSE).

## You are free to

- **Share** — copy and redistribute the material in any medium or format.
- **Adapt** — remix, transform, and build upon the material for any purpose,
  even commercially.

## Under the following terms

- **Attribution** — You must give appropriate credit, provide a link to the
  license, and indicate if changes were made. You may do so in any reasonable
  manner, but not in any way that suggests the licensor endorses you or your use.
- **No additional restrictions** — You may not apply legal terms or
  technological measures that legally restrict others from doing anything the
  license permits.

## Suggested attribution

> *"Orbital Lifeboats" by Mick Darling, licensed under CC BY 4.0.*
> https://github.com/mickdarling/orbital-lifeboats

## Full legal text

The authoritative, complete license text is available at:
**https://creativecommons.org/licenses/by/4.0/legalcode**
(human-readable summary: https://creativecommons.org/licenses/by/4.0/)
