Astronomers have discovered an enormous stream of gas flowing toward a young system of three stars, potentially explaining why its planet-forming disks are strangely tilted. Using the Atacama Large Millimeter/submillimeter Array (ALMA), researchers observed a gas streamer stretching about one trillion miles, or 0.2 light-years, toward the young triple-star system GW Orionis. The system contains three young stars surrounded by several rings of gas and dust—the raw materials from which planets can eventually form. Researchers led by Maria Galloway-Sprietsma, a Ph.D. candidate at the University of Florida, wanted to determine whether the huge gas streamer could help explain this unusual arrangement. This connection suggests that gas falling into the system may have helped push the outer disk into its unusual tilted position.