Aivuq Earth visual — texture sources and credits

Surface: Blue Marble: Next Generation, August 2004, base map with topography.
Source: https://science.nasa.gov/earth/earth-observatory/blue-marble-next-generation/base-topography/
Original: https://assets.science.nasa.gov/content/dam/science/esd/eo/images/bmng/bmng-topography/august/world.topo.200408.3x5400x2700.jpg
Credit: Reto Stöckli, NASA Earth Observatory / NASA Goddard Space Flight Center.
Local treatment: resize from 5400x2700 to 4096x2048; AVIF compression.
A 1024x512 WebP image is included for the non-WebGL fallback.

Clouds: Blue Marble: Clouds.
Source: https://visibleearth.nasa.gov/images/57747/blue-marble-clouds/77558l
Original: https://eoimages.gsfc.nasa.gov/images/imagerecords/57000/57747/cloud_combined_2048.jpg
Credit: NASA Goddard Space Flight Center; Reto Stöckli; enhancements by Robert Simmon.
Local treatment: retain 2048x1024; grayscale AVIF compression; use luminance as cloud opacity.

Night lights: Earth At Night (WMS).
Source: https://svs.gsfc.nasa.gov/2916/
Original: https://svs.gsfc.nasa.gov/vis/a000000/a002900/a002916/earthatnight-2048.png
Credit: data courtesy Marc Imhoff (NASA/GSFC) and Christopher Elvidge (NOAA/NGDC).
Image by Craig Mayhew (NASA/GSFC) and Robert Simmon (NASA/GSFC).
Local treatment: retain 2048x1024; WebP compression.

Usage guidelines: https://www.nasa.gov/nasa-brand-center/images-and-media/
This decorative Aivuq rendering uses historical composite source imagery, artistic lighting,
and animated rotation. It is not a live satellite feed, current weather, or an endorsement
of Aivuq by NASA or NOAA. No NASA/NOAA logos are used.