Earth texture credits

Earth day, night and clouds: Solar System Scope / INOVE.
Source: https://www.solarsystemscope.com/textures/
License: Creative Commons Attribution 4.0 International
https://creativecommons.org/licenses/by/4.0/

Adaptations for Cyrion Security: resized to 2K / 4K where noted, converted to WebP, and rendered with custom lighting. Day map also retains an 8K option. The maps are illustrative composites, not live observations. No endorsement by the source creators is implied.

Original downloads:
https://www.solarsystemscope.com/textures/download/8k_earth_daymap.jpg
https://www.solarsystemscope.com/textures/download/8k_earth_nightmap.jpg
https://www.solarsystemscope.com/textures/download/8k_earth_clouds.jpg