The huge, high-tech Dark Energy Camera is photographing galaxies 8 billion light-years away. NASA's spacecraft Dawn is heading toward a dwarf planet. And the legendary twin Voyager crafts are pushing the boundaries of the solar system. Space, it seems, is a lively place. Here are photos from the far reaches of space, plus Mickey Mouse on Mercury. Related: Time-lapse video: Space shuttle Endeavour's trek across L.A.
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