Andromeda Universe - real-universe data
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Stars (stars.bin, names.bin)
  AT-HYG v3.2 by David Nash (astronexus), CC BY-SA 4.0
  https://github.com/astronexus/ATHYG-Database - built from the Hipparcos and Tycho-2
  catalogues (ESA), Gaia Data Release 3 (ESA/Gaia/DPAC), the Yale Bright Star Catalogue
  and the Gliese-Jahreiss Catalogue of Nearby Stars.
  The files here are a converted subset and are shared under the same licence (CC BY-SA 4.0).

Exoplanets (exoplanets.json)
  Open Exoplanet Catalogue, Hanno Rein et al., MIT licence
  https://github.com/OpenExoplanetCatalogue/open_exoplanet_catalogue

Galaxies, nebulae and clusters (dso.json)
  OpenNGC by Mattia Verga, CC BY-SA 4.0 - https://github.com/mattiaverga/OpenNGC
  (data from NED, HyperLEDA, SIMBAD and HEASARC). Distances of well-known objects are
  published values; other galaxies use the Hubble law (H0 = 70 km/s/Mpc).
  dso.json is shared under CC BY-SA 4.0.

Planet and moon maps (tex/)
  Callisto   NASA/JPL/USGS Astrogeology (Voyager, Galileo SSI), public domain
  Charon     NASA/JHUAPL/SwRI/LPI (New Horizons) via USGS, public domain
  Deimos     Stooke Small Bodies Maps V2.0, NASA PDS
  Dione      NASA/JPL-Caltech/SSI/LPI (Paul Schenk), public domain
  Earth      Solar System Scope (solarsystemscope.com), CC BY 4.0, based on NASA imagery (Blue Marble, Black Marble, MODIS clouds)
  Enceladus  NASA/JPL-Caltech/SSI/LPI (Paul Schenk), public domain
  Europa     NASA/JPL/USGS Astrogeology (Voyager, Galileo SSI), public domain
  Ganymede   NASA/JPL/USGS Astrogeology (Voyager, Galileo SSI), public domain
  Iapetus    NASA/JPL-Caltech/SSI/LPI (Paul Schenk), public domain
  Io         NASA/JPL/USGS Astrogeology (Galileo SSI, Voyager), public domain
  Jupiter    Solar System Scope (solarsystemscope.com), CC BY 4.0, based on NASA imagery (Cassini)
  Mars       Solar System Scope (solarsystemscope.com), CC BY 4.0, based on NASA imagery (Viking, MGS)
  Mercury    Solar System Scope (solarsystemscope.com), CC BY 4.0, based on NASA imagery
  Mimas      NASA/JPL-Caltech/SSI/LPI (Paul Schenk), public domain
  Miranda    USGS/Tammy Becker & JPL/Caltech (Voyager 2), via NASA 3D Resources
  Moon       Solar System Scope (solarsystemscope.com), CC BY 4.0, based on NASA imagery (LRO)
  Neptune    Solar System Scope (solarsystemscope.com), CC BY 4.0, based on NASA imagery
  Oberon     USGS/Tammy Becker & JPL/Caltech (Voyager 2), via NASA 3D Resources
  Phobos     Stooke Small Bodies Maps V2.0, NASA PDS
  Pluto      NASA/JHUAPL/SwRI (New Horizons), public domain
  Rhea       NASA/JPL-Caltech/SSI/LPI (Paul Schenk), public domain
  Saturn     Solar System Scope (solarsystemscope.com), CC BY 4.0, based on NASA imagery (Cassini)
  Tethys     NASA/JPL-Caltech/SSI/LPI (Paul Schenk), public domain
  Titania    USGS/Tammy Becker & JPL/Caltech (Voyager 2), via NASA 3D Resources
  Triton     NASA/JPL-Caltech/LPI (Paul Schenk), Voyager 2, public domain
  Uranus     Solar System Scope (solarsystemscope.com), CC BY 4.0, based on NASA imagery
  Venus      Solar System Scope (solarsystemscope.com), CC BY 4.0, based on NASA imagery (cloud tops)
