Astronomy Picture of the Day . Water Found Around Nearby Star CW Leonis . ... Do worlds outside our Solar System have oceans of water like Earth? An indication that such worlds might exist was bolstered recently by new evidence that nearby star system CW Leonis harbors water. Recent observations with the Submillimeter Wave Astronomy Satellite (SWAS) found significant detections of light at specific colors emitted by water. ... The strangest moon in the Solar System is bright yellow. ...