These images look like miniature models of familiar galaxies and nebulae, the grand structures of space made small. But they are in fact real pieces of space porn digitally manipulated to look like tilt-shift photographs.
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redditor TheScienceLlama made these images using the tilt-shift filter in Photoshop CS6. TheScienceLlama notes that the effect works better for some images than others, but these versions certainly do offer a very different visual perspective on the shapes out in space.
Space miniaturized with Tilt-Shift [imgur via WebUrbanist]