The article says we already knew that: > astronomers knew disks of debris leftover from planet formation were common around newborn stars The new result allow

The article says we already knew that: > astronomers knew disks of debris leftover from planet formation were common around newborn stars The new result allows much more insight: > only a few have been resolved in sufficient detail to study their internal structure. “This is the first time we can make a statistical analysis of what’s going on in these disks,