Earlier this year, Jorge Cham of the webcomic PhD Comics explained the Higgs Boson by combining narration from physicists with his own artwork. In his latest video, The Fingerprint of Stars, Jon Swift, Ben Montet, and Melodie Kao of CalTech's John Johnson Exoplanets Laboratory explain why different stars appear to be different colors and how understanding the unique makeup of each star transformed astronomy as a science.
If you prefer stationary comics to video and voiceover, Cham has also posted the comic as individual pages. Here are the first few:
The Fingerprint of Stars [PhD Comics]