Labels:text | screenshot | font | number OCR: Km 102 - Edge of the known universe The Cosmic 1021 Most distant visible galaxy Distance Scale Diameter of a large cluster of galaxies 101 - One megaparsec (3.26 million light years: the size of the local group of galaxies) L Diameter of our galaxy 10 15 - One kiloparsec (3260 light years) Distance of the nearest stars 1012 One parsec (3.26 light years) - Radius of Pluto's orbit 109 - One astronomical unit (AU) (mean distance of Earth from Sun) 106 - Radius of our Sun - Radius of our Earth 10