Jump to: Mercury | Venus | Earth | Mars | Jupiter | Saturn | Uranus | Neptune | Pluto - all the way to the right Click here to see planetary size comparison only. News: July 2, 2010 - An updated version of this model is underway! Random star patterns will appear as a background to the page, although a known bug in Firefox may keep it from displaying in that browser. August 29, 2010 is the anticipa