With our first ambassadors out into the Solar System, the Mariners, Pioneers and Voyagers, we started to get views of the blurry dots that our telescopes could see and suddenly Mars Was a Place, etc. With the Gaileo and Cassini missions, not only have Jupiter and Saturn become Places, but so to their myriad of moons, ranging from asteroidal chunks to spheres that rival our own Moon.
Today's Astronomy Picture of the Day brings Saturn's moon Dione into the Realm of the Places: a map of it's surface. It is amazing to live in such times when discoveries are made every day!
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