Wildest NASA Artist Renderings

For NASA fans, the images captured by the agency's missions -- Hubble, Chandra, STEREO, SOHO, and so many more -- are mind-boggling. But in some respects, those photographs, X-ray pictures and the rest can hardly hold a proverbial candle to the evocative, trippy, black light poster-esque artist renderings NASA employs to illustrate its current and future projects.