
## Quellen

 * NASA:
   [1](https://solarsystem.nasa.gov/planets/neptune/overview),
   [2](https://solarsystem.nasa.gov/planets/neptune/in-depth/),
   [3](https://solarsystem.nasa.gov/moons/neptune-moons/in-depth/)
 * solarviews.com: [Neptune](http://solarviews.com/eng/neptune.htm)

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 * NASA:
   [1](https://solarsystem.nasa.gov/system/stellar_items/image_files/90_feature_1600x900_4.jpg),
   [2](https://solarsystem.nasa.gov/resources/614/rings-of-neptune/?category=planets_neptune),
   [3](https://solarsystem.nasa.gov/resources/232/tritons-surface-topography/),
   [4](https://solarsystem.nasa.gov/resources/614/rings-of-neptune/),
   [5](https://www2.jpl.nasa.gov/files/images/browse/plutoneptune.gif),
   [6](https://images.nasa.gov/details-PIA01142)
 * Unsplash: [Mateus Campos Felipe](https://unsplash.com/photos/uEYMBAvbv94)
 * Wikimedia Commons:
   [Justin Cowart](https://commons.wikimedia.org/wiki/File:Neptune,_Earth_size_comparison_2b.jpg),
   [NASA/Pbroks13](https://commons.wikimedia.org/wiki/File:Neptune_diagram.svg)
