Every surface here is real measured data, downsampled and packed into this page as base64 — no textures are fetched over the network.

• Earth land maskNASA Blue Marble, Nov 2004512×256 · 1 bit/cell · 16 KB
• Earth city lightsNASA Earth at Night composite512×256 · 4 bit/cell · 64 KB
• Sea-floor heightNOAA NCEI ETOPO1 bathymetry512×256 · 4 bit/cell · 64 KB
• Lunar albedoNASA/GSFC/ASU LROC mosaic512×256 · 4 bit/cell · 64 KB
• Lunar color warmthNASA/GSFC/ASU LROC mosaic512×256 · 4 bit/cell · 64 KB
• Jupiter cloudsNASA/JPL/SSI Cassini cylindrical map (PIA07782)512×256 · 4 bit/cell · 64 KB
• Jupiter chromasame map, red minus blue256×128 · 4 bit/cell · 16 KB
• Jupiter bandssame map, averaged along each latitude256 latitudes × RGB · 768 B
• Saturn bodyCassini band structure, recoloured to the natural-colour mosaic (PIA06193)256 latitudes × RGB · 768 B
• Saturn ringsNASA Cassini-derived texture128 radial samples × RGBA · 512 B
• The SunNo map — procedural, modeled on NASA SDO imageryboiling granules, filament channels, active regions, eruptions off the limb
• The skyYale Bright Star Catalogue, 5th ed. — every star to magnitude 65080 stars · RA, Dec, magnitude, colour index · 30 KB

Imagery courtesy of NASA Earth Observatory, NASA/GSFC/Arizona State University (LROC), NASA/JPL-Caltech, NASA/JPL/Space Science Institute and NOAA NCEI. Star positions from the Bright Star Catalogue, 5th Revised Ed. (Hoffleit & Warren). Public domain — free to use with credit.