Nature imitates art! Kinda! I am endlessly fascinated by impact craters. You might think they all look alike, but they don't. They have different shapes, structures, shading, even (sometimes) colors. And these features can tell us a lot about the object that caused the impact as well as the structure of the surface they hit. For example, here's a nifty crater on the Moon as seen by the Lunar Reconnaissance Orbiter: