# Planet & body textures

Equirectangular surface maps + Saturn ring for the Solar System mode. All
self-hosted, downscaled to web sizes (2048×1024 maps; 1024² ring).

## Files in use
| File | Body | Origin |
|---|---|---|
| `2k_sun.jpg` | Sun | Solar System Scope |
| `2k_neptune.jpg` | Neptune | Solar System Scope |
| `hd_mercury.jpg` | Mercury | NASA/JPL–derived 8K map |
| `hd_venus.jpg` | Venus (Magellan radar surface) | NASA/JPL–derived 8K map |
| `hd_earth.jpg` | Earth | NASA Blue/Visible Earth–derived |
| `hd_mars.jpg` | Mars | NASA/JPL MGS/Viking–derived |
| `hd_jupiter.jpg` | Jupiter | NASA/Cassini–derived |
| `hd_saturn.jpg` | Saturn | NASA/Cassini–derived |
| `hd_saturn_ring.png` | Saturn ring (top-down annulus, RGBA) | NASA/Cassini–derived |
| `hd_uranus.jpg` | Uranus | Solar System Scope |

## Licensing
The maps are derived from public-domain **NASA/JPL** imagery and **Solar System
Scope** planetary maps, the latter under **Creative Commons Attribution 4.0
International (CC BY 4.0)** — © INOVE / Solar System Scope,
<https://www.solarsystemscope.com/textures/>.

The `hd_*` set was produced from freely-distributed 3D-asset texture packs whose
underlying imagery is NASA/JPL (public domain) or Solar System Scope (CC BY 4.0).
Attribution is shown in-app (Solar System mode footer): *"planet maps: NASA/JPL &
Solar System Scope (CC BY 4.0)"*.
