I have created an image for my series: Caelverse: Realm of Cycles (the meta-series for the Teloston University series), showing how some of the planetary phenomena looks like and operates. I own the copyright, but feel free to download it and distribute it without permission. Warning: the image is over 70mb, and takes a while to load.

https://www.deviantart.com/philosophermage/art/Caelverse-Realm-of-Cycles-series-promo-poster-814686737