Astronomers using the Atacama Large Millimeter/submillimeter Array (ALMA) have found striking orbital geometries in protoplanetary disks around binary stars. While disks orbiting the most compact binary star systems share very nearly the same plane, disks encircling wide binaries have orbital planes that are severely tilted. These systems...
![The Strange Orbits of ‘Tatooine’ Planetary Disks](https://aui.edu/wp-content/uploads/2020/04/Czekala_AKScoHD98800_composite_03052020-1024x512-1.png)