It is a cluster of stars within a molecular cloud.
It is likely that all of these stars formed in the same giant molecular cloud.
Who knew what tricks a few billion years of evolution could cook up inside a molecular cloud?
A molecular cloud is a kind of cloud in space.
How do stars and planetary systems form from dust grains in molecular clouds?
It is also operated as a single dish for studies of molecular clouds in the Galaxy.
A star emerges from the collapse of a heavy molecular cloud.
Most of our Galaxy's star formation takes place in clusters and groups within large molecular clouds.
Association members are believed to form within the same small volume inside a giant molecular cloud.
It is common for two or more separate open clusters to form out of the same molecular cloud.
Słownik astronomiczny
