Gaps in gas disks around stars may not always mark newborn planets
New research is prompting a debate over how to study infant planets
![young star disks](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2019/07/071019_LG_protoplanetary-disc_feat.jpg?fit=860%2C460&ssl=1)
DISK DIVERSITY The swirling disks of gas and dust around young stars, some of which are shown here in images taken by the Atacama Large Millimeter/submillimeter Array in Chile, come in a variety of forms. New research raises questions about whether gaps in the disks mark the birthplaces of planets.
Sean Andrews/DSHARP/ALMA