/// Credits for the global maps in Globes/, by Library page id. All are public domain (NASA, USGS); /// sources and dates are in THIRD_PARTY.org. enum GlobeMaps { static let credit: [String: String] = [ "mercury": "NASA/JHU APL/Carnegie Institution of Washington (MESSENGER, PIA15063)", "venus": "NASA/JPL/USGS (Magellan radar topography, colourised)", "earth": "NASA Earth Observatory (Blue Marble Next Generation, December)", "moon": "NASA's Scientific Visualization Studio (LRO LROC and LOLA)", "mars": "NASA/JPL/USGS (Viking MDIM 2.1 colour mosaic)", "jupiter": "NASA/JPL/Space Science Institute (Cassini, PIA07782)", "pluto": "NASA/JHU APL/SwRI; USGS Astrogeology (New Horizons)", "io": "NASA/JPL/USGS (Galileo SSI colour merge)", "europa": "NASA/JPL/USGS (Voyager and Galileo SSI)", "ganymede": "NASA/JPL/USGS (Voyager and Galileo SSI)", "callisto": "NASA/JPL/USGS (Voyager and Galileo SSI)", "titan": "NASA/JPL-Caltech/University of Arizona (Cassini VIMS, near-infrared, PIA22770)", "enceladus": "NASA/JPL-Caltech/SSI; mosaic by P. Schenk and W. McKinnon, LPI/USRA", ] }