In a study appearing today in the Astrophysical Journal, an INAF-lead team of researchers explored whether the anomalous features in the dust and gas distributions of HD 163296’s disk revealed by ALMA’s observations could arise from the interaction of the giant planets with planetesimals, a component of the disk previously unaccounted for.
Source:
https://phys.org/news/2019-05-giant-planets-comets-circumstellar-disk.html