No, I'm thinking size in the grand scheme of things, like the size of the Earth compared to other planets, or to the sun. When you start getting a sense of how tiny, and I mean TINY, the Earth really is, it's mind boggling. We are just a minute speck of debris floating around a minuscule star in a microscopic solar system in a rather nondescript galaxy. It's humbling.
Nothing like a little perspective to start the day.
This was found at Dark Roasted Blend, who boosted it from Ochevidec.
Earth is small enough to be swallowed by an average sunspot:
Second series of images (from this site) shows the similar progression, now in 3-D: