Within molecular clouds are regions with higher density, where lots of dust and gas cores reside, called clumps. These clumps are the beginning of star formation, if gravity can overcome the high density and force the dust and gas to collapse.
Taoism [is] the way of man's cooperation with the course or trend of the natural world, whose principles we discover in the flow patterns of water, gas, an fire, which are subsequently memorialized or sculptured in those of stone and wood, and, later, in many forms of human art. (From Tao: The Watercourse Way).
Daoism in the Han. The teachings that were later called Daoism were first known under the name of Huanglao Dao in the 3rd and 2nd cent. BCE. The thought world transmitted in this stream is what Sima Tan meant by Daojia. The Huanglao school was a center of Daoist practitioners in the state of Qi (modern Shandong).