{
  "day": {
    "author": "NASA Earth Observatory / Reto Stöckli",
    "url": "https://assets.science.nasa.gov/content/dam/science/esd/eo/images/bmng/bmng-topography-bathymetry/july/world.topo.bathy.200407.3x21600x10800.jpg",
    "page": "https://science.nasa.gov/earth/earth-observatory/blue-marble-next-generation/base-topography-bathymetry/",
    "sourceSize": [
      21600,
      10800
    ],
    "date": "2004-07",
    "changes": "Geographically cropped; resized to 4096 px width; WebP encoding. Geographic imagery is illustrative, not live."
  },
  "night": {
    "author": "Solar System Scope / INOVE",
    "license": "CC BY 4.0",
    "page": "https://www.solarsystemscope.com/textures/",
    "changes": "Cropped from original 8K map and encoded as WebP."
  },
  "regions": [
    {
      "id": "north-america",
      "west": -130,
      "east": -55,
      "south": 8,
      "north": 66
    },
    {
      "id": "europe",
      "west": -20,
      "east": 50,
      "south": 25,
      "north": 67
    }
  ],
  "landMask": {
    "license": "CC BY 4.0",
    "author": "Solar System Scope / INOVE",
    "changes": "Cropped, inverted and stored in the regional surface alpha channel.",
    "source": "8k_earth_specular_map.tif"
  }
}