NASA: The Nerdiest Paparazzi // Images from the Wide-field Infrared Survey Explorer

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When NASA scientist Dr. Peter Eisenhardt said, "There are brown dwarfs all around us," he wasn't making a paranoid reference to Snow White. He was talking about a type of star that, until very recently, is often too faint to see. Brown dwarfs are also called "failed stars" because they lack the energy to ignite like normal stars during the birth process. And, much like the paparazzi, NASA can't get enough of failed stars. That's why they built the Wide-field Infrared Survey Explorer, affectionately called WISE.

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