The following graphics, images and animations have been created by myself. A reference is given when they are based on an already existing image or graphic.
Please feel free to use them, but be sure to give the appropriate credit. This work by Inga Saathoff is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License. I would appreciate it if you would mention my name and the website Inga Saathoff if you use it.
If you have any questions, please contact me at saathoff [at] astro.uni-tuebingen.de.