Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. For the remote Uranian system of moons, namesakes from Shakespearean works have been chosen. Thus Oberon , king of the mid-summer night fairies, is also Uranus' most distant and second largest moon . In 1986, Voyager 2 flew through the Uranian system - so far it has been the only spacecraft to do so .
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