Title text:
While weather control is typically thought of as a superpower, the unconscious ability of astronomers and astrophotographers to summon clouds is more properly classified as a curse.
Transcript:
Transcript will show once it’s been added to explainxkcd.com
Source: https://xkcd.com/3253/
But I'm a programmer and the sun is an external source of data. I need unit tests ensuring my prediction function works regardless of the direction the sun rotates.