Chondrules to planets, with all those weird continent and orogen and hand sample-sized things in between. I also tweet as @BABgeo.
(image: cathodoluminescence image of a detrital zircon with a quartz inclusion. the quartz looks like the letter pi. at some point i will make a post about pareidolia and its dangers in science or something but for now I just think the pi zircon is really cool)