Linked from
The 74 pages that link to Molecular cloud, each with the reason it gives.
Galactic diskBroader topic: Molecular clouds in the disk collapse to form stars.
NebulaBroader topic: These clouds contain much of the dense gas from which stars form.
Galactic planeBroader topic: Many molecular clouds occupy the plane, where new stars form.
Isocyanic acidBroader topic: HNCO occurs in molecular clouds and helps trace their chemistry.