Proportionally sized

Space is big. Really big. You just won't believe how vastly hugely mindboggingly big it is. I mean you may think it's a long way down the road to the chemist, but that's just peanuts to space.

--The Hitch Hiker's Guide to the Galaxy, Douglas Adams

If you ever wondered how the Earth measures up to other planets or the Sun, this site might be something for you.