Neptune
Here's Neptune! One of a few planets in a personal series of illustrations.
See full image here: https://static1.squarespace.com/static/5812c6841b631bf20f0cbf8e/5a8cf8ae71c10b2aca47b65f/5a8cf8ae419202fa34d6c530/1519188347848/Gradient+2.png?format=1500w