When hunting for planets outside our solar system, scientists typically search for patterns like rings, arcs and spirals in disks of dust and gas around young stars because those patterns are often considered a sign that an unseen planet orbits a star. But this new simulation shows that planets aren’t the only explanation: http://go.nasa.gov/2mj7xLu | NASA - National Aeronautics and Space Administration

The Atacama Large Millimeter/submillimeter Array (ALMA) captured imagery of the protoplanetary disk around young star V883 Orionis. Credit : Space.com / ALMA (ESO/NAOJ/NRAO) / L. Cieza Edited by Steve Spaleta | Space.com